Subtract 15/70 from 2/10
2/10 - 15/70 is -1/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
2/10 = 2 × 7/10 × 7 = 14/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
15/70 = 15 × 1/70 × 1 = 15/70 - Subtract the two like fractions:
14/70 - 15/70 = 14 - 15/70 = -1/70
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