Subtract 30/63 from 20/14
1st number: 1 6/14, 2nd number: 30/63
20/14 - 30/63 is 20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126 - Subtract the two like fractions:
180/126 - 60/126 = 180 - 60/126 = 120/126 - After reducing the fraction, the answer is 20/21
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