Add 63/42 and 81/6
1st number: 1 21/42, 2nd number: 13 3/6
63/42 + 81/6 is 15/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Likewise, for the 2nd fraction, since 6 × 7 = 42,
81/6 = 81 × 7/6 × 7 = 567/42 - Add the two like fractions:
63/42 + 567/42 = 63 + 567/42 = 630/42 - 630/42 simplified gives 15/1
- So, 63/42 + 81/6 = 15/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/84+81/6 63/42+81/12 63/42+81/18 63/42+81/30 63/42+81/42