Add 72/98 and 12/18
72/98 + 12/18 is 206/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 18 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 98 × 9 = 882,
72/98 = 72 × 9/98 × 9 = 648/882 - Likewise, for the 2nd fraction, since 18 × 49 = 882,
12/18 = 12 × 49/18 × 49 = 588/882 - Add the two like fractions:
648/882 + 588/882 = 648 + 588/882 = 1236/882 - 1236/882 simplified gives 206/147
- So, 72/98 + 12/18 = 206/147
In mixed form: 159/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+24/18 72/98+12/36 72/98+36/18 72/98+12/54 72/98+60/18 72/98+12/90 72/98+84/18