Subtract 40/35 from 20/12
1st number: 1 8/12, 2nd number: 1 5/35
20/12 - 40/35 is 11/21.
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,
20/12 = 20 × 35/12 × 35 = 700/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
40/35 = 40 × 12/35 × 12 = 480/420 - Subtract the two like fractions:
700/420 - 480/420 = 700 - 480/420 = 220/420 - After reducing the fraction, the answer is 11/21
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