Add 84/16 and 63/9
1st number: 5 4/16, 2nd number: 7 0/9
84/16 + 63/9 is 49/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
84/16 = 84 × 9/16 × 9 = 756/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
63/9 = 63 × 16/9 × 16 = 1008/144 - Add the two like fractions:
756/144 + 1008/144 = 756 + 1008/144 = 1764/144 - 1764/144 simplified gives 49/4
- So, 84/16 + 63/9 = 49/4
In mixed form: 121/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32+63/9 84/16+63/18 84/48+63/9 84/16+63/27 84/80+63/9 84/16+63/45