Add 7/30 and 81/49
1st number: 7/30, 2nd number: 1 32/49
7/30 + 81/49 is 2773/1470.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
7/30 = 7 × 49/30 × 49 = 343/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
81/49 = 81 × 30/49 × 30 = 2430/1470 - Add the two like fractions:
343/1470 + 2430/1470 = 343 + 2430/1470 = 2773/1470 - So, 7/30 + 81/49 = 2773/1470
In mixed form: 11303/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+81/49 7/60+81/49 7/30+81/98 21/30+81/49 7/90+81/49 35/30+81/49 49/30+81/49