Add 60/70 and 30/98
60/70 + 30/98 is 57/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
60/70 = 60 × 7/70 × 7 = 420/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490 - Add the two like fractions:
420/490 + 150/490 = 420 + 150/490 = 570/490 - 570/490 simplified gives 57/49
- So, 60/70 + 30/98 = 57/49
In mixed form: 18/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/70+60/98 60/70+90/98