Subtract 80/70 from 80/36
1st number: 2 8/36, 2nd number: 1 10/70
80/36 - 80/70 is 68/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 70 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
80/36 = 80 × 35/36 × 35 = 2800/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
80/70 = 80 × 18/70 × 18 = 1440/1260 - Subtract the two like fractions:
2800/1260 - 1440/1260 = 2800 - 1440/1260 = 1360/1260 - After reducing the fraction, the answer is 68/63
- In mixed form: 15/63
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