Add 45/28 and 14/5
1st number: 1 17/28, 2nd number: 2 4/5
45/28 + 14/5 is 617/140.
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,
14/5 = 14 × 28/5 × 28 = 392/140 - Add the two like fractions:
225/140 + 392/140 = 225 + 392/140 = 617/140 - So, 45/28 + 14/5 = 617/140
In mixed form: 457/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+14/5 45/28+28/5 45/56+14/5 45/28+14/10 45/28+42/5 45/84+14/5 45/28+14/15 45/28+70/5 45/28+14/25 45/28+98/5 45/28+14/35