Add 63/15 and 98/18
1st number: 4 3/15, 2nd number: 5 8/18
63/15 + 98/18 is 434/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
63/15 = 63 × 6/15 × 6 = 378/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
98/18 = 98 × 5/18 × 5 = 490/90 - Add the two like fractions:
378/90 + 490/90 = 378 + 490/90 = 868/90 - 868/90 simplified gives 434/45
- So, 63/15 + 98/18 = 434/45
In mixed form: 929/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+98/18 63/15+98/36 63/45+98/18 63/15+98/54 63/75+98/18 63/15+98/90