Subtract 45/10 from 24/81
1st number: 24/81, 2nd number: 4 5/10
24/81 - 45/10 is -227/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
24/81 = 24 × 10/81 × 10 = 240/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
45/10 = 45 × 81/10 × 81 = 3645/810 - Subtract the two like fractions:
240/810 - 3645/810 = 240 - 3645/810 = -3405/810 - After reducing the fraction, the answer is -227/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/81-45/10 24/81-90/10 24/81-45/20 72/81-45/10 24/81-45/30 24/81-45/50 24/81-45/70