Add 15/8 and 18/28
1st number: 1 7/8, 2nd number: 18/28
15/8 + 18/28 is 141/56.
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,
15/8 = 15 × 7/8 × 7 = 105/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
18/28 = 18 × 2/28 × 2 = 36/56 - Add the two like fractions:
105/56 + 36/56 = 105 + 36/56 = 141/56 - So, 15/8 + 18/28 = 141/56
In mixed form: 229/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8+18/28 15/8+36/28 15/16+18/28 15/8+18/56 45/8+18/28 15/8+54/28 15/24+18/28 15/8+18/84 75/8+18/28 15/8+90/28 15/40+18/28 15/56+18/28