Subtract 49/70 from 20/7
1st number: 2 6/7, 2nd number: 49/70
20/7 - 49/70 is 151/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
20/7 = 20 × 10/7 × 10 = 200/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
49/70 = 49 × 1/70 × 1 = 49/70 - Subtract the two like fractions:
200/70 - 49/70 = 200 - 49/70 = 151/70 - In mixed form: 211/70
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