Add 30/9 and 54/63
1st number: 3 3/9, 2nd number: 54/63
30/9 + 54/63 is 88/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
30/9 = 30 × 7/9 × 7 = 210/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
54/63 = 54 × 1/63 × 1 = 54/63 - Add the two like fractions:
210/63 + 54/63 = 210 + 54/63 = 264/63 - 264/63 simplified gives 88/21
- So, 30/9 + 54/63 = 88/21
In mixed form: 44/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9+54/63 30/18+54/63 90/9+54/63 30/27+54/63 30/45+54/63 30/63+54/63