Subtract 20/7 from 49/70
1st number: 49/70, 2nd number: 2 6/7
49/70 - 20/7 is -151/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
49/70 = 49 × 1/70 × 1 = 49/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
20/7 = 20 × 10/7 × 10 = 200/70 - Subtract the two like fractions:
49/70 - 200/70 = 49 - 200/70 = -151/70
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