Add 84/90 and 63/48
1st number: 84/90, 2nd number: 1 15/48
84/90 + 63/48 is 539/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
84/90 = 84 × 8/90 × 8 = 672/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
63/48 = 63 × 15/48 × 15 = 945/720 - Add the two like fractions:
672/720 + 945/720 = 672 + 945/720 = 1617/720 - 1617/720 simplified gives 539/240
- So, 84/90 + 63/48 = 539/240
In mixed form: 259/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+63/96