Subtract 70/56 from 21/60
1st number: 21/60, 2nd number: 1 14/56
21/60 - 70/56 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 60 × 14 = 840,
21/60 = 21 × 14/60 × 14 = 294/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
70/56 = 70 × 15/56 × 15 = 1050/840 - Subtract the two like fractions:
294/840 - 1050/840 = 294 - 1050/840 = -756/840 - After reducing the fraction, the answer is -9/10
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