Add 35/25 and 21/16
1st number: 1 10/25, 2nd number: 1 5/16
35/25 + 21/16 is 217/80.
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,
35/25 = 35 × 16/25 × 16 = 560/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Add the two like fractions:
560/400 + 525/400 = 560 + 525/400 = 1085/400 - 1085/400 simplified gives 217/80
- So, 35/25 + 21/16 = 217/80
In mixed form: 257/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+21/16 35/25+42/16 35/50+21/16 35/25+21/32 35/25+63/16 35/75+21/16 35/25+21/48 35/25+21/80