Subtract 70/15 from 7/20
1st number: 7/20, 2nd number: 4 10/15
7/20 - 70/15 is -259/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
7/20 = 7 × 3/20 × 3 = 21/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
70/15 = 70 × 4/15 × 4 = 280/60 - Subtract the two like fractions:
21/60 - 280/60 = 21 - 280/60 = -259/60
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