Subtract 7/70 from 3/9
3/9 - 7/70 is 7/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
3/9 = 3 × 70/9 × 70 = 210/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
7/70 = 7 × 9/70 × 9 = 63/630 - Subtract the two like fractions:
210/630 - 63/630 = 210 - 63/630 = 147/630 - After reducing the fraction, the answer is 7/30
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