Subtract 18/36 from 70/20
1st number: 3 10/20, 2nd number: 18/36
70/20 - 18/36 is 3/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
70/20 = 70 × 9/20 × 9 = 630/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
18/36 = 18 × 5/36 × 5 = 90/180 - Subtract the two like fractions:
630/180 - 90/180 = 630 - 90/180 = 540/180 - After reducing the fraction, the answer is 3/1
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