Add 54/36 and 12/63
1st number: 1 18/36, 2nd number: 12/63
54/36 + 12/63 is 71/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 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 63 × 4 = 252,
12/63 = 12 × 4/63 × 4 = 48/252 - Add the two like fractions:
378/252 + 48/252 = 378 + 48/252 = 426/252 - 426/252 simplified gives 71/42
- So, 54/36 + 12/63 = 71/42
In mixed form: 129/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+24/63 54/72+12/63 54/36+36/63 54/36+60/63 54/36+84/63