Subtract 49/90 from 15/10
1st number: 1 5/10, 2nd number: 49/90
15/10 - 49/90 is 43/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
15/10 = 15 × 9/10 × 9 = 135/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
49/90 = 49 × 1/90 × 1 = 49/90 - Subtract the two like fractions:
135/90 - 49/90 = 135 - 49/90 = 86/90 - After reducing the fraction, the answer is 43/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10-49/90 15/10-98/90 15/20-49/90 45/10-49/90 15/30-49/90 75/10-49/90 15/50-49/90 15/70-49/90