Add 63/54 and 42/63
1st number: 1 9/54, 2nd number: 42/63
63/54 + 42/63 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
42/63 = 42 × 6/63 × 6 = 252/378 - Add the two like fractions:
441/378 + 252/378 = 441 + 252/378 = 693/378 - 693/378 simplified gives 11/6
- So, 63/54 + 42/63 = 11/6
In mixed form: 15/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/54+84/63