Subtract 72/30 from 20/14
1st number: 1 6/14, 2nd number: 2 12/30
20/14 - 72/30 is -34/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210 - Subtract the two like fractions:
300/210 - 504/210 = 300 - 504/210 = -204/210 - After reducing the fraction, the answer is -34/35
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