Subtract 7/5 from 49/20
1st number: 2 9/20, 2nd number: 1 2/5
49/20 - 7/5 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
49/20 = 49 × 1/20 × 1 = 49/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
7/5 = 7 × 4/5 × 4 = 28/20 - Subtract the two like fractions:
49/20 - 28/20 = 49 - 28/20 = 21/20 - In mixed form: 11/20
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