Add 40/42 and 24/63
40/42 + 24/63 is 4/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
40/42 = 40 × 3/42 × 3 = 120/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
24/63 = 24 × 2/63 × 2 = 48/126 - Add the two like fractions:
120/126 + 48/126 = 120 + 48/126 = 168/126 - 168/126 simplified gives 4/3
- So, 40/42 + 24/63 = 4/3
In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+24/63 40/42+48/63 40/84+24/63 40/42+72/63