Subtract 30/84 from 72/35, Solve 2 2/35

Subtract 30/84 from 72/35

1^st number: 2 2/35, 2^nd number: 30/84

72/35 - 30/84 is 17/10.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 35 × 12 = 420,
72/35 = 72 × 12/35 × 12 = 864/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420
Subtract the two like fractions:
864/420 - 150/420 = 864 - 150/420 = 714/420
After reducing the fraction, the answer is 17/10
In mixed form: 17/10

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