Add 8/80 and 42/9
1st number: 8/80, 2nd number: 4 6/9
8/80 + 42/9 is 143/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
8/80 = 8 × 9/80 × 9 = 72/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
42/9 = 42 × 80/9 × 80 = 3360/720 - Add the two like fractions:
72/720 + 3360/720 = 72 + 3360/720 = 3432/720 - 3432/720 simplified gives 143/30
- So, 8/80 + 42/9 = 143/30
In mixed form: 423/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/80+42/9 8/80+84/9 8/80+42/18 24/80+42/9 8/80+42/27 40/80+42/9 8/80+42/45 56/80+42/9 8/80+42/63