Add 14/36 and 40/21
1st number: 14/36, 2nd number: 1 19/21
14/36 + 40/21 is 289/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
14/36 = 14 × 7/36 × 7 = 98/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
40/21 = 40 × 12/21 × 12 = 480/252 - Add the two like fractions:
98/252 + 480/252 = 98 + 480/252 = 578/252 - 578/252 simplified gives 289/126
- So, 14/36 + 40/21 = 289/126
In mixed form: 237/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/36+40/21 14/36+80/21 14/72+40/21 14/36+40/42 42/36+40/21 14/36+40/63 70/36+40/21 98/36+40/21