Subtract 4/20 from 70/25
1st number: 2 20/25, 2nd number: 4/20
70/25 - 4/20 is 13/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
70/25 = 70 × 4/25 × 4 = 280/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
4/20 = 4 × 5/20 × 5 = 20/100 - Subtract the two like fractions:
280/100 - 20/100 = 280 - 20/100 = 260/100 - After reducing the fraction, the answer is 13/5
- In mixed form: 23/5
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