Subtract 2/49 from 20/70
20/70 - 2/49 is 12/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
20/70 = 20 × 7/70 × 7 = 140/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
2/49 = 2 × 10/49 × 10 = 20/490 - Subtract the two like fractions:
140/490 - 20/490 = 140 - 20/490 = 120/490 - After reducing the fraction, the answer is 12/49
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