Subtract 18/50 from 32/70
32/70 - 18/50 is 17/175.
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,
32/70 = 32 × 5/70 × 5 = 160/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
18/50 = 18 × 7/50 × 7 = 126/350 - Subtract the two like fractions:
160/350 - 126/350 = 160 - 126/350 = 34/350 - After reducing the fraction, the answer is 17/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/70-18/50 32/70-36/50 96/70-18/50 32/70-54/50 32/70-90/50