Subtract 9/6 from 90/40
1st number: 2 10/40, 2nd number: 1 3/6
90/40 - 9/6 is 3/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
9/6 = 9 × 20/6 × 20 = 180/120 - Subtract the two like fractions:
270/120 - 180/120 = 270 - 180/120 = 90/120 - After reducing the fraction, the answer is 3/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/40-18/6 90/80-9/6 90/40-9/12 90/40-27/6 90/40-9/18 90/40-45/6 90/40-9/30 90/40-63/6 90/40-9/42