Q. c) 32×75(2 Marks)d) 43÷1621e) (53)3(2 Marks)f) 243−721
Multiply fractions: c) Multiply the fractions (32) and (75).32×75=3×72×5=2110.
Divide fractions: d) Divide the fractions (43) by (1621).43÷1621=43×2116=4×213×16=8448. Simplify 8448 by dividing both numerator and denominator by 12.8448÷1212=74.
Raise to power: e) Raise the fraction (53) to the power of 3.(53)3=5333=12527.
Subtract mixed numbers: f) Subtract the mixed numbers 2(43) and 7(21).First, convert mixed numbers to improper fractions.2(43)=(48)+(43)=411.7(21)=(214)+(21)=215.Now subtract the improper fractions.(411)−(215)=(411)−(430)=−419.Convert the improper fraction back to a mixed number.−419=−443.
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