Subtract 70/56 from 3/15
1st number: 3/15, 2nd number: 1 14/56
3/15 - 70/56 is -21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
3/15 = 3 × 56/15 × 56 = 168/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
70/56 = 70 × 15/56 × 15 = 1050/840 - Subtract the two like fractions:
168/840 - 1050/840 = 168 - 1050/840 = -882/840 - After reducing the fraction, the answer is -21/20
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