Add 18/30 and 84/98
18/30 + 84/98 is 51/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 98 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
18/30 = 18 × 49/30 × 49 = 882/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
84/98 = 84 × 15/98 × 15 = 1260/1470 - Add the two like fractions:
882/1470 + 1260/1470 = 882 + 1260/1470 = 2142/1470 - 2142/1470 simplified gives 51/35
- So, 18/30 + 84/98 = 51/35
In mixed form: 116/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+84/98 18/60+84/98 54/30+84/98 18/90+84/98 90/30+84/98