Add 28/10 and 27/45
1st number: 2 8/10, 2nd number: 27/45
28/10 + 27/45 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
27/45 = 27 × 2/45 × 2 = 54/90 - Add the two like fractions:
252/90 + 54/90 = 252 + 54/90 = 306/90 - 306/90 simplified gives 17/5
- So, 28/10 + 27/45 = 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: 56/10+27/45 28/10+54/45 28/20+27/45 28/10+27/90 84/10+27/45 28/10+81/45 28/30+27/45 28/50+27/45 28/70+27/45