Subtract 18/12 from 48/70
1st number: 48/70, 2nd number: 1 6/12
48/70 - 18/12 is -57/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
48/70 = 48 × 6/70 × 6 = 288/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
18/12 = 18 × 35/12 × 35 = 630/420 - Subtract the two like fractions:
288/420 - 630/420 = 288 - 630/420 = -342/420 - After reducing the fraction, the answer is -57/70
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