Subtract 40/70 from 3/50
3/50 - 40/70 is -179/350.
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,
3/50 = 3 × 7/50 × 7 = 21/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
40/70 = 40 × 5/70 × 5 = 200/350 - Subtract the two like fractions:
21/350 - 200/350 = 21 - 200/350 = -179/350
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