Subtract 64/6 from 21/20
1st number: 1 1/20, 2nd number: 10 4/6
21/20 - 64/6 is -577/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 6 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
21/20 = 21 × 3/20 × 3 = 63/60 - Likewise, for the 2nd fraction, since 6 × 10 = 60,
64/6 = 64 × 10/6 × 10 = 640/60 - Subtract the two like fractions:
63/60 - 640/60 = 63 - 640/60 = -577/60
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