Subtract 15/80 from 30/35, Solve 30/35

Subtract 15/80 from 30/35

30/35 - 15/80 is 75/112.

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,
30/35 = 30 × 16/35 × 16 = 480/560
Likewise, for the 2nd fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560
Subtract the two like fractions:
480/560 - 105/560 = 480 - 105/560 = 375/560
After reducing the fraction, the answer is 75/112

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