Subtract 42/30 from 40/24
1st number: 1 16/24, 2nd number: 1 12/30
40/24 - 42/30 is 4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
40/24 = 40 × 5/24 × 5 = 200/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
42/30 = 42 × 4/30 × 4 = 168/120 - Subtract the two like fractions:
200/120 - 168/120 = 200 - 168/120 = 32/120 - After reducing the fraction, the answer is 4/15
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