Add 63/7 and 28/45
1st number: 9 0/7, 2nd number: 28/45
63/7 + 28/45 is 433/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
63/7 = 63 × 45/7 × 45 = 2835/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
28/45 = 28 × 7/45 × 7 = 196/315 - Add the two like fractions:
2835/315 + 196/315 = 2835 + 196/315 = 3031/315 - 3031/315 simplified gives 433/45
- So, 63/7 + 28/45 = 433/45
In mixed form: 928/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/7+56/45 63/14+28/45 63/7+28/90 63/7+84/45 63/21+28/45 63/35+28/45 63/49+28/45