Add 63/15 and 20/30
1st number: 4 3/15, 2nd number: 20/30
63/15 + 20/30 is 73/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
63/15 = 63 × 2/15 × 2 = 126/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
20/30 = 20 × 1/30 × 1 = 20/30 - Add the two like fractions:
126/30 + 20/30 = 126 + 20/30 = 146/30 - 146/30 simplified gives 73/15
- So, 63/15 + 20/30 = 73/15
In mixed form: 413/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/15+40/30 63/30+20/30 63/15+20/60 63/15+60/30 63/45+20/30 63/15+20/90 63/75+20/30