Subtract 42/28 from 72/14
1st number: 5 2/14, 2nd number: 1 14/28
72/14 - 42/28 is 51/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
72/14 = 72 × 2/14 × 2 = 144/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
42/28 = 42 × 1/28 × 1 = 42/28 - Subtract the two like fractions:
144/28 - 42/28 = 144 - 42/28 = 102/28 - After reducing the fraction, the answer is 51/14
- In mixed form: 39/14
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