Add 25/4 and 56/81
1st number: 6 1/4, 2nd number: 56/81
25/4 + 56/81 is 2249/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
25/4 = 25 × 81/4 × 81 = 2025/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
56/81 = 56 × 4/81 × 4 = 224/324 - Add the two like fractions:
2025/324 + 224/324 = 2025 + 224/324 = 2249/324 - So, 25/4 + 56/81 = 2249/324
In mixed form: 6305/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+56/81 25/8+56/81 75/4+56/81 25/12+56/81 25/20+56/81 25/28+56/81