Add 70/98 and 70/10
1st number: 70/98, 2nd number: 7 0/10
70/98 + 70/10 is 54/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
70/98 = 70 × 5/98 × 5 = 350/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
70/10 = 70 × 49/10 × 49 = 3430/490 - Add the two like fractions:
350/490 + 3430/490 = 350 + 3430/490 = 3780/490 - 3780/490 simplified gives 54/7
- So, 70/98 + 70/10 = 54/7
In mixed form: 75/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+70/20 70/98+70/30 70/98+70/50