Add 30/21 and 6/63
1st number: 1 9/21, 2nd number: 6/63
30/21 + 6/63 is 32/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
30/21 = 30 × 3/21 × 3 = 90/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
6/63 = 6 × 1/63 × 1 = 6/63 - Add the two like fractions:
90/63 + 6/63 = 90 + 6/63 = 96/63 - 96/63 simplified gives 32/21
- So, 30/21 + 6/63 = 32/21
In mixed form: 111/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+6/63 30/21+12/63 30/42+6/63 90/21+6/63 30/21+18/63 30/63+6/63 30/21+30/63 30/21+42/63