Add 1/54 and 84/63
1st number: 1/54, 2nd number: 1 21/63
1/54 + 84/63 is 73/54.
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,
1/54 = 1 × 7/54 × 7 = 7/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
84/63 = 84 × 6/63 × 6 = 504/378 - Add the two like fractions:
7/378 + 504/378 = 7 + 504/378 = 511/378 - 511/378 simplified gives 73/54
- So, 1/54 + 84/63 = 73/54
In mixed form: 119/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/54+84/63 3/54+84/63 5/54+84/63 7/54+84/63