Subtract 72/30 from 4/35, Solve 4/35

Subtract 72/30 from 4/35

1^st number: 4/35, 2^nd number: 2 12/30

4/35 - 72/30 is -16/7.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 35 × 6 = 210,
4/35 = 4 × 6/35 × 6 = 24/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210
Subtract the two like fractions:
24/210 - 504/210 = 24 - 504/210 = -480/210
After reducing the fraction, the answer is -16/7

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