Add 98/18 and 49/70
1st number: 5 8/18, 2nd number: 49/70
98/18 + 49/70 is 553/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
98/18 = 98 × 35/18 × 35 = 3430/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
49/70 = 49 × 9/70 × 9 = 441/630 - Add the two like fractions:
3430/630 + 441/630 = 3430 + 441/630 = 3871/630 - 3871/630 simplified gives 553/90
- So, 98/18 + 49/70 = 553/90
In mixed form: 613/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/18+98/70 98/36+49/70 98/54+49/70 98/90+49/70