Solutions by everydaycalculation.com

## Subtract 30/12 from 72/35

1st number: 2 2/35, 2nd number: 2 6/12

72/35 - 30/12 is -31/70.

#### Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
2. For the 1st fraction, since 35 × 12 = 420,
72/35 = 72 × 12/35 × 12 = 864/420
3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
30/12 = 30 × 35/12 × 35 = 1050/420
4. Subtract the two fractions:
864/420 - 1050/420 = 864 - 1050/420 = -186/420
5. After reducing the fraction, the answer is -31/70

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