Add 81/25 and 27/16
1st number: 3 6/25, 2nd number: 1 11/16
81/25 + 27/16 is 1971/400.
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,
81/25 = 81 × 16/25 × 16 = 1296/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
27/16 = 27 × 25/16 × 25 = 675/400 - Add the two like fractions:
1296/400 + 675/400 = 1296 + 675/400 = 1971/400 - So, 81/25 + 27/16 = 1971/400
In mixed form: 4371/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/25+54/16 81/50+27/16 81/25+27/32 81/25+81/16 81/75+27/16 81/25+27/48 81/25+27/80