Subtract 2/7 from 3/70
3/70 - 2/7 is -17/70.
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,
3/70 = 3 × 1/70 × 1 = 3/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
2/7 = 2 × 10/7 × 10 = 20/70 - Subtract the two like fractions:
3/70 - 20/70 = 3 - 20/70 = -17/70
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