Subtract 63/80 from 42/24
1st number: 1 18/24, 2nd number: 63/80
42/24 - 63/80 is 77/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 24 × 10 = 240,
42/24 = 42 × 10/24 × 10 = 420/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Subtract the two like fractions:
420/240 - 189/240 = 420 - 189/240 = 231/240 - After reducing the fraction, the answer is 77/80
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