Subtract 50/15 from 42/56
1st number: 42/56, 2nd number: 3 5/15
42/56 - 50/15 is -31/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
50/15 = 50 × 56/15 × 56 = 2800/840 - Subtract the two like fractions:
630/840 - 2800/840 = 630 - 2800/840 = -2170/840 - After reducing the fraction, the answer is -31/12
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