Subtract 4/20 from 70/36
1st number: 1 34/36, 2nd number: 4/20
70/36 - 4/20 is 157/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
4/20 = 4 × 9/20 × 9 = 36/180 - Subtract the two like fractions:
350/180 - 36/180 = 350 - 36/180 = 314/180 - After reducing the fraction, the answer is 157/90
- In mixed form: 167/90
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