Add 15/80 and 84/63
1st number: 15/80, 2nd number: 1 21/63
15/80 + 84/63 is 73/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 63 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 80 × 63 = 5040,
15/80 = 15 × 63/80 × 63 = 945/5040 - Likewise, for the 2nd fraction, since 63 × 80 = 5040,
84/63 = 84 × 80/63 × 80 = 6720/5040 - Add the two like fractions:
945/5040 + 6720/5040 = 945 + 6720/5040 = 7665/5040 - 7665/5040 simplified gives 73/48
- So, 15/80 + 84/63 = 73/48
In mixed form: 125/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/80+84/63 45/80+84/63 75/80+84/63