Add 2/72 and 42/7
1st number: 2/72, 2nd number: 6 0/7
2/72 + 42/7 is 217/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
2/72 = 2 × 7/72 × 7 = 14/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
42/7 = 42 × 72/7 × 72 = 3024/504 - Add the two like fractions:
14/504 + 3024/504 = 14 + 3024/504 = 3038/504 - 3038/504 simplified gives 217/36
- So, 2/72 + 42/7 = 217/36
In mixed form: 61/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72+42/7 2/72+84/7 2/72+42/14 6/72+42/7 2/72+42/21 10/72+42/7 2/72+42/35 14/72+42/7 2/72+42/49