Subtract 90/12 from 5/10
1st number: 5/10, 2nd number: 7 6/12
5/10 - 90/12 is -7/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
5/10 = 5 × 6/10 × 6 = 30/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Subtract the two like fractions:
30/60 - 450/60 = 30 - 450/60 = -420/60 - After reducing the fraction, the answer is -7/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 5/20-90/12 5/10-90/24 15/10-90/12 5/30-90/12 5/10-90/36 25/10-90/12 5/50-90/12 5/10-90/60 35/10-90/12 5/70-90/12 5/10-90/84