Add 72/30 and 28/98
1st number: 2 12/30, 2nd number: 28/98
72/30 + 28/98 is 94/35.
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,
72/30 = 72 × 49/30 × 49 = 3528/1470 - Likewise, for the 2nd fraction, since 98 × 15 = 1470,
28/98 = 28 × 15/98 × 15 = 420/1470 - Add the two like fractions:
3528/1470 + 420/1470 = 3528 + 420/1470 = 3948/1470 - 3948/1470 simplified gives 94/35
- So, 72/30 + 28/98 = 94/35
In mixed form: 224/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30+56/98 72/60+28/98 72/30+84/98 72/90+28/98