Subtract 70/49 from 35/21
1st number: 1 14/21, 2nd number: 1 21/49
35/21 - 70/49 is 5/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
35/21 = 35 × 7/21 × 7 = 245/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
70/49 = 70 × 3/49 × 3 = 210/147 - Subtract the two like fractions:
245/147 - 210/147 = 245 - 210/147 = 35/147 - After reducing the fraction, the answer is 5/21
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