Subtract 9/70 from 7/49
7/49 - 9/70 is 1/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
7/49 = 7 × 10/49 × 10 = 70/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
9/70 = 9 × 7/70 × 7 = 63/490 - Subtract the two like fractions:
70/490 - 63/490 = 70 - 63/490 = 7/490 - After reducing the fraction, the answer is 1/70
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