Add 2/84 and 63/10
1st number: 2/84, 2nd number: 6 3/10
2/84 + 63/10 is 664/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
63/10 = 63 × 42/10 × 42 = 2646/420 - Add the two like fractions:
10/420 + 2646/420 = 10 + 2646/420 = 2656/420 - 2656/420 simplified gives 664/105
- So, 2/84 + 63/10 = 664/105
In mixed form: 634/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84+63/10 2/84+63/20 6/84+63/10 2/84+63/30 10/84+63/10 2/84+63/50 14/84+63/10 2/84+63/70