Subtract 70/16 from 35/18
1st number: 1 17/18, 2nd number: 4 6/16
35/18 - 70/16 is -175/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
35/18 = 35 × 8/18 × 8 = 280/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
70/16 = 70 × 9/16 × 9 = 630/144 - Subtract the two like fractions:
280/144 - 630/144 = 280 - 630/144 = -350/144 - After reducing the fraction, the answer is -175/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18-70/16 35/36-70/16 35/18-70/32 35/54-70/16 35/18-70/48 35/90-70/16 35/18-70/80