Subtract 2/70 from 42/50
42/50 - 2/70 is 142/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
42/50 = 42 × 7/50 × 7 = 294/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
2/70 = 2 × 5/70 × 5 = 10/350 - Subtract the two like fractions:
294/350 - 10/350 = 294 - 10/350 = 284/350 - After reducing the fraction, the answer is 142/175
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