Add 30/50 and 56/63
30/50 + 56/63 is 67/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 63 is 3150
Next, find the equivalent fraction of both fractional numbers with denominator 3150 - For the 1st fraction, since 50 × 63 = 3150,
30/50 = 30 × 63/50 × 63 = 1890/3150 - Likewise, for the 2nd fraction, since 63 × 50 = 3150,
56/63 = 56 × 50/63 × 50 = 2800/3150 - Add the two like fractions:
1890/3150 + 2800/3150 = 1890 + 2800/3150 = 4690/3150 - 4690/3150 simplified gives 67/45
- So, 30/50 + 56/63 = 67/45
In mixed form: 122/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50+56/63 90/50+56/63