Add 81/40 and 24/25
1st number: 2 1/40, 2nd number: 24/25
81/40 + 24/25 is 597/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
81/40 = 81 × 5/40 × 5 = 405/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
24/25 = 24 × 8/25 × 8 = 192/200 - Add the two like fractions:
405/200 + 192/200 = 405 + 192/200 = 597/200 - So, 81/40 + 24/25 = 597/200
In mixed form: 2197/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/40+48/25 81/80+24/25 81/40+24/50 81/40+72/25 81/40+24/75