Subtract 80/70 from 40/36
1st number: 1 4/36, 2nd number: 1 10/70
40/36 - 80/70 is -2/63.
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,
40/36 = 40 × 35/36 × 35 = 1400/1260 - Likewise, for the 2nd fraction, since 70 × 18 = 1260,
80/70 = 80 × 18/70 × 18 = 1440/1260 - Subtract the two like fractions:
1400/1260 - 1440/1260 = 1400 - 1440/1260 = -40/1260 - After reducing the fraction, the answer is -2/63
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