Add 81/40 and 2/25
1st number: 2 1/40, 2nd number: 2/25
81/40 + 2/25 is 421/200.
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,
2/25 = 2 × 8/25 × 8 = 16/200 - Add the two like fractions:
405/200 + 16/200 = 405 + 16/200 = 421/200 - So, 81/40 + 2/25 = 421/200
In mixed form: 221/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/40+4/25 81/80+2/25 81/40+2/50 81/40+6/25 81/40+2/75 81/40+10/25 81/40+14/25