Subtract 63/80 from 75/20
1st number: 3 15/20, 2nd number: 63/80
75/20 - 63/80 is 237/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
75/20 = 75 × 4/20 × 4 = 300/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Subtract the two like fractions:
300/80 - 63/80 = 300 - 63/80 = 237/80 - In mixed form: 277/80
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