Subtract 40/36 from 90/35
1st number: 2 20/35, 2nd number: 1 4/36
90/35 - 40/36 is 92/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 35 × 36 = 1260,
90/35 = 90 × 36/35 × 36 = 3240/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
40/36 = 40 × 35/36 × 35 = 1400/1260 - Subtract the two like fractions:
3240/1260 - 1400/1260 = 3240 - 1400/1260 = 1840/1260 - After reducing the fraction, the answer is 92/63
- In mixed form: 129/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35-80/36 90/70-40/36 90/35-40/72