Add 40/25 and 21/6
1st number: 1 15/25, 2nd number: 3 3/6
40/25 + 21/6 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
40/25 = 40 × 6/25 × 6 = 240/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
21/6 = 21 × 25/6 × 25 = 525/150 - Add the two like fractions:
240/150 + 525/150 = 240 + 525/150 = 765/150 - 765/150 simplified gives 51/10
- So, 40/25 + 21/6 = 51/10
In mixed form: 51/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/25+21/6 40/25+42/6 40/50+21/6 40/25+21/12 40/25+63/6 40/75+21/6 40/25+21/18 40/25+21/30 40/25+21/42