Add 1/4 and 21/25
1/4 + 21/25 is 109/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
1/4 = 1 × 25/4 × 25 = 25/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
21/25 = 21 × 4/25 × 4 = 84/100 - Add the two like fractions:
25/100 + 84/100 = 25 + 84/100 = 109/100 - So, 1/4 + 21/25 = 109/100
In mixed form: 19/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/4+21/25 1/4+42/25 1/8+21/25 1/4+21/50 3/4+21/25 1/4+63/25 1/12+21/25 1/4+21/75 5/4+21/25 1/20+21/25 7/4+21/25 1/28+21/25