Subtract 80/70 from 35/72
1st number: 35/72, 2nd number: 1 10/70
35/72 - 80/70 is -331/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
35/72 = 35 × 35/72 × 35 = 1225/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
80/70 = 80 × 36/70 × 36 = 2880/2520 - Subtract the two like fractions:
1225/2520 - 2880/2520 = 1225 - 2880/2520 = -1655/2520 - After reducing the fraction, the answer is -331/504
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Related: 70/72-80/70