Add 30/63 and 20/14
1st number: 30/63, 2nd number: 1 6/14
30/63 + 20/14 is 40/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 14 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126 - Likewise, for the 2nd fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126 - Add the two like fractions:
60/126 + 180/126 = 60 + 180/126 = 240/126 - 240/126 simplified gives 40/21
- So, 30/63 + 20/14 = 40/21
In mixed form: 119/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+20/14 30/63+40/14 30/63+20/28 90/63+20/14 30/63+60/14 30/63+20/42 30/63+20/70 30/63+20/98