Subtract 21/35 from 80/36
1st number: 2 8/36, 2nd number: 21/35
80/36 - 21/35 is 73/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 36 × 35 = 1260,
80/36 = 80 × 35/36 × 35 = 2800/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
21/35 = 21 × 36/35 × 36 = 756/1260 - Subtract the two like fractions:
2800/1260 - 756/1260 = 2800 - 756/1260 = 2044/1260 - After reducing the fraction, the answer is 73/45
- In mixed form: 128/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36-42/35 80/72-21/35 80/36-21/70 80/36-63/35