Add 9/80 and 49/90
9/80 + 49/90 is 473/720.
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,
9/80 = 9 × 9/80 × 9 = 81/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
49/90 = 49 × 8/90 × 8 = 392/720 - Add the two like fractions:
81/720 + 392/720 = 81 + 392/720 = 473/720 - So, 9/80 + 49/90 = 473/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80+49/90 9/80+98/90 27/80+49/90 45/80+49/90 63/80+49/90