Subtract 70/24 from 42/40
1st number: 1 2/40, 2nd number: 2 22/24
42/40 - 70/24 is -28/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
70/24 = 70 × 5/24 × 5 = 350/120 - Subtract the two like fractions:
126/120 - 350/120 = 126 - 350/120 = -224/120 - After reducing the fraction, the answer is -28/15
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