Add 63/18 and 8/15
1st number: 3 9/18, 2nd number: 8/15
63/18 + 8/15 is 121/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
63/18 = 63 × 5/18 × 5 = 315/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
8/15 = 8 × 6/15 × 6 = 48/90 - Add the two like fractions:
315/90 + 48/90 = 315 + 48/90 = 363/90 - 363/90 simplified gives 121/30
- So, 63/18 + 8/15 = 121/30
In mixed form: 41/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/18+16/15 63/36+8/15 63/18+8/30 63/18+24/15 63/54+8/15 63/18+8/45 63/18+40/15 63/90+8/15 63/18+8/75 63/18+56/15