Subtract 24/10 from 7/45
1st number: 7/45, 2nd number: 2 4/10
7/45 - 24/10 is -101/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
24/10 = 24 × 9/10 × 9 = 216/90 - Subtract the two like fractions:
14/90 - 216/90 = 14 - 216/90 = -202/90 - After reducing the fraction, the answer is -101/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45-24/10 7/45-48/10 7/90-24/10 7/45-24/20 21/45-24/10 7/45-72/10 7/45-24/30 35/45-24/10 7/45-24/50 49/45-24/10 7/45-24/70