Add 24/63 and 63/42
1st number: 24/63, 2nd number: 1 21/42
24/63 + 63/42 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
24/63 = 24 × 2/63 × 2 = 48/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
63/42 = 63 × 3/42 × 3 = 189/126 - Add the two like fractions:
48/126 + 189/126 = 48 + 189/126 = 237/126 - 237/126 simplified gives 79/42
- So, 24/63 + 63/42 = 79/42
In mixed form: 137/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/63+63/42 24/63+63/84 72/63+63/42