Subtract 80/70 from 60/84
1st number: 60/84, 2nd number: 1 10/70
60/84 - 80/70 is -3/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
60/84 = 60 × 5/84 × 5 = 300/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
80/70 = 80 × 6/70 × 6 = 480/420 - Subtract the two like fractions:
300/420 - 480/420 = 300 - 480/420 = -180/420 - After reducing the fraction, the answer is -3/7
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