Add 7/54 and 20/63
7/54 + 20/63 is 169/378.
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,
7/54 = 7 × 7/54 × 7 = 49/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
20/63 = 20 × 6/63 × 6 = 120/378 - Add the two like fractions:
49/378 + 120/378 = 49 + 120/378 = 169/378 - So, 7/54 + 20/63 = 169/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54+20/63 7/54+40/63 21/54+20/63 7/54+60/63 35/54+20/63 49/54+20/63