Subtract 42/80 from 63/15
1st number: 4 3/15, 2nd number: 42/80
63/15 - 42/80 is 147/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
63/15 = 63 × 16/15 × 16 = 1008/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Subtract the two like fractions:
1008/240 - 126/240 = 1008 - 126/240 = 882/240 - After reducing the fraction, the answer is 147/40
- In mixed form: 327/40
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