Subtract 20/35 from 42/12
1st number: 3 6/12, 2nd number: 20/35
42/12 - 20/35 is 41/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
42/12 = 42 × 35/12 × 35 = 1470/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
20/35 = 20 × 12/35 × 12 = 240/420 - Subtract the two like fractions:
1470/420 - 240/420 = 1470 - 240/420 = 1230/420 - After reducing the fraction, the answer is 41/14
- In mixed form: 213/14
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