Add 9/5 and 28/42
1st number: 1 4/5, 2nd number: 28/42
9/5 + 28/42 is 37/15.
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,
9/5 = 9 × 42/5 × 42 = 378/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Add the two like fractions:
378/210 + 140/210 = 378 + 140/210 = 518/210 - 518/210 simplified gives 37/15
- So, 9/5 + 28/42 = 37/15
In mixed form: 27/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+28/42 9/5+56/42 9/10+28/42 9/5+28/84 27/5+28/42 9/5+84/42 9/15+28/42 45/5+28/42 9/25+28/42 63/5+28/42 9/35+28/42