Add 56/5 and 28/42
1st number: 11 1/5, 2nd number: 28/42
56/5 + 28/42 is 178/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
56/5 = 56 × 42/5 × 42 = 2352/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Add the two like fractions:
2352/210 + 140/210 = 2352 + 140/210 = 2492/210 - 2492/210 simplified gives 178/15
- So, 56/5 + 28/42 = 178/15
In mixed form: 1113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+56/42 56/10+28/42 56/5+28/84 56/5+84/42 56/15+28/42 56/25+28/42 56/35+28/42