Subtract 90/20 from 3/14
1st number: 3/14, 2nd number: 4 10/20
3/14 - 90/20 is -30/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
3/14 = 3 × 10/14 × 10 = 30/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
90/20 = 90 × 7/20 × 7 = 630/140 - Subtract the two like fractions:
30/140 - 630/140 = 30 - 630/140 = -600/140 - After reducing the fraction, the answer is -30/7
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