Add 27/80 and 8/90
27/80 + 8/90 is 307/720.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 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 90 × 8 = 720,
8/90 = 8 × 8/90 × 8 = 64/720 - Add the two like fractions:
243/720 + 64/720 = 243 + 64/720 = 307/720 - So, 27/80 + 8/90 = 307/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/80+8/90 27/80+16/90 81/80+8/90 27/80+24/90 27/80+40/90 27/80+56/90