Add 8/45 and 28/7
1st number: 8/45, 2nd number: 4 0/7
8/45 + 28/7 is 188/45.
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,
8/45 = 8 × 7/45 × 7 = 56/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
28/7 = 28 × 45/7 × 45 = 1260/315 - Add the two like fractions:
56/315 + 1260/315 = 56 + 1260/315 = 1316/315 - 1316/315 simplified gives 188/45
- So, 8/45 + 28/7 = 188/45
In mixed form: 48/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/45+28/7 8/45+56/7 8/90+28/7 8/45+28/14 24/45+28/7 8/45+84/7 8/45+28/21 40/45+28/7 8/45+28/35 56/45+28/7 8/45+28/49