Add 18/98 and 72/30
1st number: 18/98, 2nd number: 2 12/30
18/98 + 72/30 is 633/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
18/98 = 18 × 15/98 × 15 = 270/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
72/30 = 72 × 49/30 × 49 = 3528/1470 - Add the two like fractions:
270/1470 + 3528/1470 = 270 + 3528/1470 = 3798/1470 - 3798/1470 simplified gives 633/245
- So, 18/98 + 72/30 = 633/245
In mixed form: 2143/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/98+72/30 18/98+72/60 54/98+72/30 18/98+72/90 90/98+72/30