Subtract 20/3 from 21/60
1st number: 21/60, 2nd number: 6 2/3
21/60 - 20/3 is -379/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
20/3 = 20 × 20/3 × 20 = 400/60 - Subtract the two like fractions:
21/60 - 400/60 = 21 - 400/60 = -379/60
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