Subtract 45/20 from 64/15
1st number: 4 4/15, 2nd number: 2 5/20
64/15 - 45/20 is 121/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
64/15 = 64 × 4/15 × 4 = 256/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Subtract the two like fractions:
256/60 - 135/60 = 256 - 135/60 = 121/60 - In mixed form: 21/60
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