Add 7/54 and 80/63
1st number: 7/54, 2nd number: 1 17/63
7/54 + 80/63 is 529/378.
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,
80/63 = 80 × 6/63 × 6 = 480/378 - Add the two like fractions:
49/378 + 480/378 = 49 + 480/378 = 529/378 - So, 7/54 + 80/63 = 529/378
In mixed form: 1151/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/54+80/63 21/54+80/63 35/54+80/63 49/54+80/63