Subtract 12/50 from 20/70
20/70 - 12/50 is 8/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
20/70 = 20 × 5/70 × 5 = 100/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
12/50 = 12 × 7/50 × 7 = 84/350 - Subtract the two like fractions:
100/350 - 84/350 = 100 - 84/350 = 16/350 - After reducing the fraction, the answer is 8/175
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