Add 81/3 and 54/63
1st number: 27 0/3, 2nd number: 54/63
81/3 + 54/63 is 195/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 3 × 21 = 63,
81/3 = 81 × 21/3 × 21 = 1701/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
54/63 = 54 × 1/63 × 1 = 54/63 - Add the two like fractions:
1701/63 + 54/63 = 1701 + 54/63 = 1755/63 - 1755/63 simplified gives 195/7
- So, 81/3 + 54/63 = 195/7
In mixed form: 276/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/6+54/63 81/9+54/63 81/15+54/63 81/21+54/63