Subtract 81/49 from 80/60
1st number: 1 20/60, 2nd number: 1 32/49
80/60 - 81/49 is -47/147.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
80/60 = 80 × 49/60 × 49 = 3920/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
81/49 = 81 × 60/49 × 60 = 4860/2940 - Subtract the two like fractions:
3920/2940 - 4860/2940 = 3920 - 4860/2940 = -940/2940 - After reducing the fraction, the answer is -47/147
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