Subtract 8/20 from 70/45
1st number: 1 25/45, 2nd number: 8/20
70/45 - 8/20 is 52/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
70/45 = 70 × 4/45 × 4 = 280/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Subtract the two like fractions:
280/180 - 72/180 = 280 - 72/180 = 208/180 - After reducing the fraction, the answer is 52/45
- In mixed form: 17/45
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