Add 20/2 and 84/63
1st number: 10 0/2, 2nd number: 1 21/63
20/2 + 84/63 is 34/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
20/2 = 20 × 63/2 × 63 = 1260/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
84/63 = 84 × 2/63 × 2 = 168/126 - Add the two like fractions:
1260/126 + 168/126 = 1260 + 168/126 = 1428/126 - 1428/126 simplified gives 34/3
- So, 20/2 + 84/63 = 34/3
In mixed form: 111/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/2+84/63 20/4+84/63 60/2+84/63 20/6+84/63 20/10+84/63 20/14+84/63