Subtract 7/40 from 80/49
1st number: 1 31/49, 2nd number: 7/40
80/49 - 7/40 is 2857/1960.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
80/49 = 80 × 40/49 × 40 = 3200/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
7/40 = 7 × 49/40 × 49 = 343/1960 - Subtract the two like fractions:
3200/1960 - 343/1960 = 3200 - 343/1960 = 2857/1960 - In mixed form: 1897/1960
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