Subtract 9/30 from 64/70
64/70 - 9/30 is 43/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
64/70 = 64 × 3/70 × 3 = 192/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Subtract the two like fractions:
192/210 - 63/210 = 192 - 63/210 = 129/210 - After reducing the fraction, the answer is 43/70
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