Add 30/5 and 84/63
1st number: 6 0/5, 2nd number: 1 21/63
30/5 + 84/63 is 22/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
30/5 = 30 × 63/5 × 63 = 1890/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
84/63 = 84 × 5/63 × 5 = 420/315 - Add the two like fractions:
1890/315 + 420/315 = 1890 + 420/315 = 2310/315 - 2310/315 simplified gives 22/3
- So, 30/5 + 84/63 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/5+84/63 30/10+84/63 90/5+84/63 30/15+84/63 30/25+84/63 30/35+84/63