Add 28/18 and 72/49
1st number: 1 10/18, 2nd number: 1 23/49
28/18 + 72/49 is 1334/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
28/18 = 28 × 49/18 × 49 = 1372/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
72/49 = 72 × 18/49 × 18 = 1296/882 - Add the two like fractions:
1372/882 + 1296/882 = 1372 + 1296/882 = 2668/882 - 2668/882 simplified gives 1334/441
- So, 28/18 + 72/49 = 1334/441
In mixed form: 311/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+72/49 28/36+72/49 28/18+72/98 84/18+72/49 28/54+72/49 28/90+72/49