Add 7/30 and 30/49
7/30 + 30/49 is 1243/1470.
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,
30/49 = 30 × 30/49 × 30 = 900/1470 - Add the two like fractions:
343/1470 + 900/1470 = 343 + 900/1470 = 1243/1470 - So, 7/30 + 30/49 = 1243/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+30/49 7/30+60/49 7/60+30/49 7/30+30/98 21/30+30/49 7/30+90/49 7/90+30/49 35/30+30/49 49/30+30/49