Add 12/16 and 84/63
1st number: 12/16, 2nd number: 1 21/63
12/16 + 84/63 is 25/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
12/16 = 12 × 63/16 × 63 = 756/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
84/63 = 84 × 16/63 × 16 = 1344/1008 - Add the two like fractions:
756/1008 + 1344/1008 = 756 + 1344/1008 = 2100/1008 - 2100/1008 simplified gives 25/12
- So, 12/16 + 84/63 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16+84/63 12/32+84/63 36/16+84/63 12/48+84/63 60/16+84/63 12/80+84/63 84/16+84/63