Add 45/8 and 15/28
1st number: 5 5/8, 2nd number: 15/28
45/8 + 15/28 is 345/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
45/8 = 45 × 7/8 × 7 = 315/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
15/28 = 15 × 2/28 × 2 = 30/56 - Add the two like fractions:
315/56 + 30/56 = 315 + 30/56 = 345/56 - So, 45/8 + 15/28 = 345/56
In mixed form: 69/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+15/28 45/8+30/28 45/16+15/28 45/8+15/56 45/8+45/28 45/24+15/28 45/8+15/84 45/8+75/28 45/40+15/28 45/56+15/28