Add 84/25 and 81/16
1st number: 3 9/25, 2nd number: 5 1/16
84/25 + 81/16 is 3369/400.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 25 × 16 = 400,
84/25 = 84 × 16/25 × 16 = 1344/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
81/16 = 81 × 25/16 × 25 = 2025/400 - Add the two like fractions:
1344/400 + 2025/400 = 1344 + 2025/400 = 3369/400 - So, 84/25 + 81/16 = 3369/400
In mixed form: 8169/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50+81/16 84/25+81/32 84/75+81/16 84/25+81/48 84/25+81/80