Subtract 54/24 from 70/40
1st number: 1 30/40, 2nd number: 2 6/24
70/40 - 54/24 is -1/2.
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,
70/40 = 70 × 3/40 × 3 = 210/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
54/24 = 54 × 5/24 × 5 = 270/120 - Subtract the two like fractions:
210/120 - 270/120 = 210 - 270/120 = -60/120 - After reducing the fraction, the answer is -1/2
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