Subtract 70/75 from 42/20
1st number: 2 2/20, 2nd number: 70/75
42/20 - 70/75 is 7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
42/20 = 42 × 15/20 × 15 = 630/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
70/75 = 70 × 4/75 × 4 = 280/300 - Subtract the two like fractions:
630/300 - 280/300 = 630 - 280/300 = 350/300 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
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