Add 7/10 and 30/49
7/10 + 30/49 is 643/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
7/10 = 7 × 49/10 × 49 = 343/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
30/49 = 30 × 10/49 × 10 = 300/490 - Add the two like fractions:
343/490 + 300/490 = 343 + 300/490 = 643/490 - So, 7/10 + 30/49 = 643/490
In mixed form: 1153/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/10+30/49 7/10+60/49 7/20+30/49 7/10+30/98 21/10+30/49 7/10+90/49 7/30+30/49 35/10+30/49 7/50+30/49 49/10+30/49 7/70+30/49