Add 14/36 and 54/21
1st number: 14/36, 2nd number: 2 12/21
14/36 + 54/21 is 373/126.
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,
54/21 = 54 × 12/21 × 12 = 648/252 - Add the two like fractions:
98/252 + 648/252 = 98 + 648/252 = 746/252 - 746/252 simplified gives 373/126
- So, 14/36 + 54/21 = 373/126
In mixed form: 2121/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/36+54/21 14/72+54/21 14/36+54/42 42/36+54/21 14/36+54/63 70/36+54/21 98/36+54/21