Add 70/10 and 30/98
1st number: 7 0/10, 2nd number: 30/98
70/10 + 30/98 is 358/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
70/10 = 70 × 49/10 × 49 = 3430/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490 - Add the two like fractions:
3430/490 + 150/490 = 3430 + 150/490 = 3580/490 - 3580/490 simplified gives 358/49
- So, 70/10 + 30/98 = 358/49
In mixed form: 715/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+60/98 70/20+30/98 70/10+90/98 70/30+30/98 70/50+30/98