Add 30/45 and 63/7
1st number: 30/45, 2nd number: 9 0/7
30/45 + 63/7 is 29/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
30/45 = 30 × 7/45 × 7 = 210/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
63/7 = 63 × 45/7 × 45 = 2835/315 - Add the two like fractions:
210/315 + 2835/315 = 210 + 2835/315 = 3045/315 - 3045/315 simplified gives 29/3
- So, 30/45 + 63/7 = 29/3
In mixed form: 92/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+63/7 30/90+63/7 30/45+63/14 90/45+63/7 30/45+63/21 30/45+63/35 30/45+63/49