Subtract 70/21 from 8/70
1st number: 8/70, 2nd number: 3 7/21
8/70 - 70/21 is -338/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
8/70 = 8 × 3/70 × 3 = 24/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
70/21 = 70 × 10/21 × 10 = 700/210 - Subtract the two like fractions:
24/210 - 700/210 = 24 - 700/210 = -676/210 - After reducing the fraction, the answer is -338/105
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