Subtract 9/80 from 28/35, Solve 28/35

Subtract 9/80 from 28/35

28/35 - 9/80 is 11/16.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 35 × 16 = 560,
28/35 = 28 × 16/35 × 16 = 448/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
9/80 = 9 × 7/80 × 7 = 63/560
Subtract the two like fractions:
448/560 - 63/560 = 448 - 63/560 = 385/560
After reducing the fraction, the answer is 11/16

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