Add 63/6 and 75/21
1st number: 10 3/6, 2nd number: 3 12/21
63/6 + 75/21 is 197/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
63/6 = 63 × 7/6 × 7 = 441/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
75/21 = 75 × 2/21 × 2 = 150/42 - Add the two like fractions:
441/42 + 150/42 = 441 + 150/42 = 591/42 - 591/42 simplified gives 197/14
- So, 63/6 + 75/21 = 197/14
In mixed form: 141/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+75/21 63/6+75/42 63/18+75/21 63/6+75/63 63/30+75/21 63/42+75/21