Subtract 90/24 from 40/35
1st number: 1 5/35, 2nd number: 3 18/24
40/35 - 90/24 is -73/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 35 × 24 = 840,
40/35 = 40 × 24/35 × 24 = 960/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
90/24 = 90 × 35/24 × 35 = 3150/840 - Subtract the two like fractions:
960/840 - 3150/840 = 960 - 3150/840 = -2190/840 - After reducing the fraction, the answer is -73/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35-90/24 40/70-90/24 40/35-90/48 40/35-90/72