Add 45/28 and 15/5
1st number: 1 17/28, 2nd number: 3 0/5
45/28 + 15/5 is 129/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
45/28 = 45 × 5/28 × 5 = 225/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
15/5 = 15 × 28/5 × 28 = 420/140 - Add the two like fractions:
225/140 + 420/140 = 225 + 420/140 = 645/140 - 645/140 simplified gives 129/28
- So, 45/28 + 15/5 = 129/28
In mixed form: 417/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+15/5 45/28+30/5 45/56+15/5 45/28+15/10 45/28+45/5 45/84+15/5 45/28+75/5 45/28+15/25 45/28+15/35