Add 6/72 and 42/9
1st number: 6/72, 2nd number: 4 6/9
6/72 + 42/9 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72 - Add the two like fractions:
6/72 + 336/72 = 6 + 336/72 = 342/72 - 342/72 simplified gives 19/4
- So, 6/72 + 42/9 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/72+42/9 6/72+84/9 6/72+42/18 18/72+42/9 6/72+42/27 30/72+42/9 6/72+42/45 42/72+42/9 6/72+42/63