Add 27/45 and 28/10
1st number: 27/45, 2nd number: 2 8/10
27/45 + 28/10 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
27/45 = 27 × 2/45 × 2 = 54/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Add the two like fractions:
54/90 + 252/90 = 54 + 252/90 = 306/90 - 306/90 simplified gives 17/5
- So, 27/45 + 28/10 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+28/10 27/45+56/10 27/90+28/10 27/45+28/20 81/45+28/10 27/45+84/10 27/45+28/30 27/45+28/50 27/45+28/70