Add 8/40 and 21/25
8/40 + 21/25 is 26/25.
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,
8/40 = 8 × 5/40 × 5 = 40/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
21/25 = 21 × 8/25 × 8 = 168/200 - Add the two like fractions:
40/200 + 168/200 = 40 + 168/200 = 208/200 - 208/200 simplified gives 26/25
- So, 8/40 + 21/25 = 26/25
In mixed form: 11/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/40+21/25 8/40+42/25 8/80+21/25 8/40+21/50 24/40+21/25 8/40+63/25 8/40+21/75 56/40+21/25