Subtract 72/60 from 80/70
1st number: 1 10/70, 2nd number: 1 12/60
80/70 - 72/60 is -2/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
80/70 = 80 × 6/70 × 6 = 480/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
72/60 = 72 × 7/60 × 7 = 504/420 - Subtract the two like fractions:
480/420 - 504/420 = 480 - 504/420 = -24/420 - After reducing the fraction, the answer is -2/35
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