Subtract 72/35 from 5/18
1st number: 5/18, 2nd number: 2 2/35
5/18 - 72/35 is -1121/630.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
5/18 = 5 × 35/18 × 35 = 175/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
72/35 = 72 × 18/35 × 18 = 1296/630 - Subtract the two like fractions:
175/630 - 1296/630 = 175 - 1296/630 = -1121/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18-72/35 5/36-72/35 5/18-72/70 15/18-72/35 5/54-72/35 25/18-72/35 5/90-72/35 35/18-72/35