Add 63/9 and 42/30
1st number: 7 0/9, 2nd number: 1 12/30
63/9 + 42/30 is 42/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
63/9 = 63 × 10/9 × 10 = 630/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
42/30 = 42 × 3/30 × 3 = 126/90 - Add the two like fractions:
630/90 + 126/90 = 630 + 126/90 = 756/90 - 756/90 simplified gives 42/5
- So, 63/9 + 42/30 = 42/5
In mixed form: 82/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/9+84/30 63/18+42/30 63/9+42/60 63/27+42/30 63/9+42/90 63/45+42/30