Subtract 81/14 from 60/21
1st number: 2 18/21, 2nd number: 5 11/14
60/21 - 81/14 is -41/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
60/21 = 60 × 2/21 × 2 = 120/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
81/14 = 81 × 3/14 × 3 = 243/42 - Subtract the two like fractions:
120/42 - 243/42 = 120 - 243/42 = -123/42 - After reducing the fraction, the answer is -41/14
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