Add 42/14 and 63/42
1st number: 3 0/14, 2nd number: 1 21/42
42/14 + 63/42 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
42/14 = 42 × 3/14 × 3 = 126/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42 - Add the two like fractions:
126/42 + 63/42 = 126 + 63/42 = 189/42 - 189/42 simplified gives 9/2
- So, 42/14 + 63/42 = 9/2
In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14+63/42 42/28+63/42 42/14+63/84 42/70+63/42 42/98+63/42