Subtract 30/27 from 72/28
1st number: 2 16/28, 2nd number: 1 3/27
72/28 - 30/27 is 92/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 28 × 27 = 756,
72/28 = 72 × 27/28 × 27 = 1944/756 - Likewise, for the 2nd fraction, since 27 × 28 = 756,
30/27 = 30 × 28/27 × 28 = 840/756 - Subtract the two like fractions:
1944/756 - 840/756 = 1944 - 840/756 = 1104/756 - After reducing the fraction, the answer is 92/63
- In mixed form: 129/63
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