Subtract 4/50 from 9/70
9/70 - 4/50 is 17/350.
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,
9/70 = 9 × 5/70 × 5 = 45/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
4/50 = 4 × 7/50 × 7 = 28/350 - Subtract the two like fractions:
45/350 - 28/350 = 45 - 28/350 = 17/350
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