Subtract 4/12 from 45/35
1st number: 1 10/35, 2nd number: 4/12
45/35 - 4/12 is 20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
45/35 = 45 × 12/35 × 12 = 540/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
4/12 = 4 × 35/12 × 35 = 140/420 - Subtract the two like fractions:
540/420 - 140/420 = 540 - 140/420 = 400/420 - After reducing the fraction, the answer is 20/21
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