Add 42/54 and 6/63
42/54 + 6/63 is 55/63.
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,
42/54 = 42 × 7/54 × 7 = 294/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
6/63 = 6 × 6/63 × 6 = 36/378 - Add the two like fractions:
294/378 + 36/378 = 294 + 36/378 = 330/378 - 330/378 simplified gives 55/63
- So, 42/54 + 6/63 = 55/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/54+6/63 42/54+12/63 42/54+18/63 42/54+30/63 42/54+42/63