Subtract 3/8 from 28/35
28/35 - 3/8 is 17/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
28/35 = 28 × 8/35 × 8 = 224/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
3/8 = 3 × 35/8 × 35 = 105/280 - Subtract the two like fractions:
224/280 - 105/280 = 224 - 105/280 = 119/280 - After reducing the fraction, the answer is 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35-3/8 28/35-6/8 28/70-3/8 28/35-3/16 84/35-3/8 28/35-9/8 28/35-3/24 28/35-15/8 28/35-3/40 28/35-21/8 28/35-3/56