Subtract 15/75 from 42/28
1st number: 1 14/28, 2nd number: 15/75
42/28 - 15/75 is 13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
42/28 = 42 × 75/28 × 75 = 3150/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
15/75 = 15 × 28/75 × 28 = 420/2100 - Subtract the two like fractions:
3150/2100 - 420/2100 = 3150 - 420/2100 = 2730/2100 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
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