Add 30/50 and 84/63
1st number: 30/50, 2nd number: 1 21/63
30/50 + 84/63 is 29/15.
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,
84/63 = 84 × 50/63 × 50 = 4200/3150 - Add the two like fractions:
1890/3150 + 4200/3150 = 1890 + 4200/3150 = 6090/3150 - 6090/3150 simplified gives 29/15
- So, 30/50 + 84/63 = 29/15
In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50+84/63 90/50+84/63