Subtract 42/24 from 60/70
1st number: 60/70, 2nd number: 1 18/24
60/70 - 42/24 is -25/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
60/70 = 60 × 12/70 × 12 = 720/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
42/24 = 42 × 35/24 × 35 = 1470/840 - Subtract the two like fractions:
720/840 - 1470/840 = 720 - 1470/840 = -750/840 - After reducing the fraction, the answer is -25/28
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