Subtract 42/30 from 7/56
1st number: 7/56, 2nd number: 1 12/30
7/56 - 42/30 is -51/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
42/30 = 42 × 28/30 × 28 = 1176/840 - Subtract the two like fractions:
105/840 - 1176/840 = 105 - 1176/840 = -1071/840 - After reducing the fraction, the answer is -51/40
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