Add 56/5 and 18/28
1st number: 11 1/5, 2nd number: 18/28
56/5 + 18/28 is 829/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
56/5 = 56 × 28/5 × 28 = 1568/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Add the two like fractions:
1568/140 + 90/140 = 1568 + 90/140 = 1658/140 - 1658/140 simplified gives 829/70
- So, 56/5 + 18/28 = 829/70
In mixed form: 1159/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+36/28 56/10+18/28 56/5+18/56 56/5+54/28 56/15+18/28 56/5+18/84 56/5+90/28 56/25+18/28 56/35+18/28