Subtract 28/25 from 7/20
1st number: 7/20, 2nd number: 1 3/25
7/20 - 28/25 is -77/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
7/20 = 7 × 5/20 × 5 = 35/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
28/25 = 28 × 4/25 × 4 = 112/100 - Subtract the two like fractions:
35/100 - 112/100 = 35 - 112/100 = -77/100
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