Subtract 18/63 from 56/28
1st number: 2 0/28, 2nd number: 18/63
56/28 - 18/63 is 12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
56/28 = 56 × 9/28 × 9 = 504/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
18/63 = 18 × 4/63 × 4 = 72/252 - Subtract the two like fractions:
504/252 - 72/252 = 504 - 72/252 = 432/252 - After reducing the fraction, the answer is 12/7
- In mixed form: 15/7
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