Subtract 70/40 from 70/25
1st number: 2 20/25, 2nd number: 1 30/40
70/25 - 70/40 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
70/25 = 70 × 8/25 × 8 = 560/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
70/40 = 70 × 5/40 × 5 = 350/200 - Subtract the two like fractions:
560/200 - 350/200 = 560 - 350/200 = 210/200 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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