Subtract 21/18 from 48/35
1st number: 1 13/35, 2nd number: 1 3/18
48/35 - 21/18 is 43/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
48/35 = 48 × 18/35 × 18 = 864/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
21/18 = 21 × 35/18 × 35 = 735/630 - Subtract the two like fractions:
864/630 - 735/630 = 864 - 735/630 = 129/630 - After reducing the fraction, the answer is 43/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/35-21/18 48/35-42/18 48/70-21/18 48/35-21/36 48/35-63/18 48/35-21/54 48/35-21/90