Add 98/28 and 9/15
1st number: 3 14/28, 2nd number: 9/15
98/28 + 9/15 is 41/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
98/28 = 98 × 15/28 × 15 = 1470/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
9/15 = 9 × 28/15 × 28 = 252/420 - Add the two like fractions:
1470/420 + 252/420 = 1470 + 252/420 = 1722/420 - 1722/420 simplified gives 41/10
- So, 98/28 + 9/15 = 41/10
In mixed form: 41/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+18/15 98/56+9/15 98/28+9/30 98/28+27/15 98/84+9/15 98/28+9/45 98/28+45/15 98/28+9/75 98/28+63/15