Add 54/36 and 63/7
1st number: 1 18/36, 2nd number: 9 0/7
54/36 + 63/7 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
54/36 = 54 × 7/36 × 7 = 378/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
63/7 = 63 × 36/7 × 36 = 2268/252 - Add the two like fractions:
378/252 + 2268/252 = 378 + 2268/252 = 2646/252 - 2646/252 simplified gives 21/2
- So, 54/36 + 63/7 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+63/7 54/36+63/14 54/36+63/21 54/36+63/35 54/36+63/49