Add 40/45 and 5/28
40/45 + 5/28 is 269/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
40/45 = 40 × 28/45 × 28 = 1120/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
5/28 = 5 × 45/28 × 45 = 225/1260 - Add the two like fractions:
1120/1260 + 225/1260 = 1120 + 225/1260 = 1345/1260 - 1345/1260 simplified gives 269/252
- So, 40/45 + 5/28 = 269/252
In mixed form: 117/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+5/28 40/45+10/28 40/90+5/28 40/45+5/56 40/45+15/28 40/45+5/84 40/45+25/28 40/45+35/28