Add 50/36 and 40/21
1st number: 1 14/36, 2nd number: 1 19/21
50/36 + 40/21 is 415/126.
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,
50/36 = 50 × 7/36 × 7 = 350/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
40/21 = 40 × 12/21 × 12 = 480/252 - Add the two like fractions:
350/252 + 480/252 = 350 + 480/252 = 830/252 - 830/252 simplified gives 415/126
- So, 50/36 + 40/21 = 415/126
In mixed form: 337/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36+80/21 50/72+40/21 50/36+40/42 50/36+40/63