Subtract 2/35 from 21/8
1st number: 2 5/8, 2nd number: 2/35
21/8 - 2/35 is 719/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
21/8 = 21 × 35/8 × 35 = 735/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
2/35 = 2 × 8/35 × 8 = 16/280 - Subtract the two like fractions:
735/280 - 16/280 = 735 - 16/280 = 719/280 - In mixed form: 2159/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/8-2/35 21/8-4/35 21/16-2/35 21/8-2/70 63/8-2/35 21/8-6/35 21/24-2/35 21/8-10/35 21/40-2/35 21/8-14/35 21/56-2/35