Add 27/80 and 49/45
1st number: 27/80, 2nd number: 1 4/45
27/80 + 49/45 is 1027/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
27/80 = 27 × 9/80 × 9 = 243/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
49/45 = 49 × 16/45 × 16 = 784/720 - Add the two like fractions:
243/720 + 784/720 = 243 + 784/720 = 1027/720 - So, 27/80 + 49/45 = 1027/720
In mixed form: 1307/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+49/45 27/80+98/45 27/80+49/90 81/80+49/45