Add 63/21 and 20/6
1st number: 3 0/21, 2nd number: 3 2/6
63/21 + 20/6 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
63/21 = 63 × 2/21 × 2 = 126/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
20/6 = 20 × 7/6 × 7 = 140/42 - Add the two like fractions:
126/42 + 140/42 = 126 + 140/42 = 266/42 - 266/42 simplified gives 19/3
- So, 63/21 + 20/6 = 19/3
In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21+40/6 63/42+20/6 63/21+20/12 63/21+60/6 63/21+20/18 63/21+20/30 63/21+20/42