Subtract 72/40 from 14/30
1st number: 14/30, 2nd number: 1 32/40
14/30 - 72/40 is -4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
14/30 = 14 × 4/30 × 4 = 56/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Subtract the two like fractions:
56/120 - 216/120 = 56 - 216/120 = -160/120 - After reducing the fraction, the answer is -4/3
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