Subtract 90/35 from 40/36
1st number: 1 4/36, 2nd number: 2 20/35
40/36 - 90/35 is -92/63.
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,
40/36 = 40 × 35/36 × 35 = 1400/1260 - Likewise, for the 2nd fraction, since 35 × 36 = 1260,
90/35 = 90 × 36/35 × 36 = 3240/1260 - Subtract the two like fractions:
1400/1260 - 3240/1260 = 1400 - 3240/1260 = -1840/1260 - After reducing the fraction, the answer is -92/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36-90/35 40/72-90/35 40/36-90/70