Add 49/90 and 30/70
49/90 + 30/70 is 613/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
49/90 = 49 × 7/90 × 7 = 343/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
30/70 = 30 × 9/70 × 9 = 270/630 - Add the two like fractions:
343/630 + 270/630 = 343 + 270/630 = 613/630 - So, 49/90 + 30/70 = 613/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+30/70 49/90+60/70 49/90+90/70