Add 42/45 and 28/6
1st number: 42/45, 2nd number: 4 4/6
42/45 + 28/6 is 28/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
42/45 = 42 × 2/45 × 2 = 84/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
28/6 = 28 × 15/6 × 15 = 420/90 - Add the two like fractions:
84/90 + 420/90 = 84 + 420/90 = 504/90 - 504/90 simplified gives 28/5
- So, 42/45 + 28/6 = 28/5
In mixed form: 53/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+28/6 42/45+56/6 42/90+28/6 42/45+28/12 42/45+84/6 42/45+28/18 42/45+28/30 42/45+28/42