Subtract 63/56 from 45/12
1st number: 3 9/12, 2nd number: 1 7/56
45/12 - 63/56 is 21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
45/12 = 45 × 14/12 × 14 = 630/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
63/56 = 63 × 3/56 × 3 = 189/168 - Subtract the two like fractions:
630/168 - 189/168 = 630 - 189/168 = 441/168 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
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