Add 63/48 and 72/90
1st number: 1 15/48, 2nd number: 72/90
63/48 + 72/90 is 169/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
63/48 = 63 × 15/48 × 15 = 945/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
72/90 = 72 × 8/90 × 8 = 576/720 - Add the two like fractions:
945/720 + 576/720 = 945 + 576/720 = 1521/720 - 1521/720 simplified gives 169/80
- So, 63/48 + 72/90 = 169/80
In mixed form: 29/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/96+72/90