Subtract 45/56 from 15/2
1st number: 7 1/2, 2nd number: 45/56
15/2 - 45/56 is 375/56.
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,
15/2 = 15 × 28/2 × 28 = 420/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
45/56 = 45 × 1/56 × 1 = 45/56 - Subtract the two like fractions:
420/56 - 45/56 = 420 - 45/56 = 375/56 - In mixed form: 639/56
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