Add 72/98 and 42/12
1st number: 72/98, 2nd number: 3 6/12
72/98 + 42/12 is 415/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
72/98 = 72 × 6/98 × 6 = 432/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
42/12 = 42 × 49/12 × 49 = 2058/588 - Add the two like fractions:
432/588 + 2058/588 = 432 + 2058/588 = 2490/588 - 2490/588 simplified gives 415/98
- So, 72/98 + 42/12 = 415/98
In mixed form: 423/98
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+84/12 72/98+42/24 72/98+42/36 72/98+42/60 72/98+42/84