Add 7/4 and 80/9
1st number: 1 3/4, 2nd number: 8 8/9
7/4 + 80/9 is 383/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
7/4 = 7 × 9/4 × 9 = 63/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
80/9 = 80 × 4/9 × 4 = 320/36 - Add the two like fractions:
63/36 + 320/36 = 63 + 320/36 = 383/36 - So, 7/4 + 80/9 = 383/36
In mixed form: 1023/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4+80/9 7/8+80/9 7/4+80/18 21/4+80/9 7/12+80/9 7/4+80/27 35/4+80/9 7/20+80/9 7/4+80/45 49/4+80/9 7/28+80/9 7/4+80/63