Subtract 4/35 from 21/4
1st number: 5 1/4, 2nd number: 4/35
21/4 - 4/35 is 719/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
21/4 = 21 × 35/4 × 35 = 735/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
4/35 = 4 × 4/35 × 4 = 16/140 - Subtract the two like fractions:
735/140 - 16/140 = 735 - 16/140 = 719/140 - In mixed form: 519/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4-4/35 21/4-8/35 21/8-4/35 21/4-4/70 63/4-4/35 21/4-12/35 21/12-4/35 21/4-20/35 21/20-4/35 21/4-28/35 21/28-4/35