Add 16/12 and 63/42
1st number: 1 4/12, 2nd number: 1 21/42
16/12 + 63/42 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
16/12 = 16 × 7/12 × 7 = 112/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
63/42 = 63 × 2/42 × 2 = 126/84 - Add the two like fractions:
112/84 + 126/84 = 112 + 126/84 = 238/84 - 238/84 simplified gives 17/6
- So, 16/12 + 63/42 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12+63/42 16/24+63/42 16/12+63/84 48/12+63/42 16/36+63/42 80/12+63/42 16/60+63/42 16/84+63/42