Add 30/63 and 42/14
1st number: 30/63, 2nd number: 3 0/14
30/63 + 42/14 is 73/21.
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,
42/14 = 42 × 9/14 × 9 = 378/126 - Add the two like fractions:
60/126 + 378/126 = 60 + 378/126 = 438/126 - 438/126 simplified gives 73/21
- So, 30/63 + 42/14 = 73/21
In mixed form: 310/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+42/14 30/63+84/14 30/63+42/28 90/63+42/14 30/63+42/70 30/63+42/98