Subtract 70/45 from 20/27
1st number: 20/27, 2nd number: 1 25/45
20/27 - 70/45 is -22/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
20/27 = 20 × 5/27 × 5 = 100/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
70/45 = 70 × 3/45 × 3 = 210/135 - Subtract the two like fractions:
100/135 - 210/135 = 100 - 210/135 = -110/135 - After reducing the fraction, the answer is -22/27
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