Add 70/98 and 10/15
70/98 + 10/15 is 29/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 15 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
70/98 = 70 × 15/98 × 15 = 1050/1470 - Likewise, for the 2nd fraction, since 15 × 98 = 1470,
10/15 = 10 × 98/15 × 98 = 980/1470 - Add the two like fractions:
1050/1470 + 980/1470 = 1050 + 980/1470 = 2030/1470 - 2030/1470 simplified gives 29/21
- So, 70/98 + 10/15 = 29/21
In mixed form: 18/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/98+20/15 70/98+10/30 70/98+30/15 70/98+10/45 70/98+50/15 70/98+10/75 70/98+70/15