Subtract 81/20 from 48/14
1st number: 3 6/14, 2nd number: 4 1/20
48/14 - 81/20 is -87/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
48/14 = 48 × 10/14 × 10 = 480/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
81/20 = 81 × 7/20 × 7 = 567/140 - Subtract the two like fractions:
480/140 - 567/140 = 480 - 567/140 = -87/140
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