Subtract 21/56 from 30/2
1st number: 15 0/2, 2nd number: 21/56
30/2 - 21/56 is 117/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
30/2 = 30 × 28/2 × 28 = 840/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
21/56 = 21 × 1/56 × 1 = 21/56 - Subtract the two like fractions:
840/56 - 21/56 = 840 - 21/56 = 819/56 - After reducing the fraction, the answer is 117/8
- In mixed form: 145/8
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