Add 24/42 and 32/20
1st number: 24/42, 2nd number: 1 12/20
24/42 + 32/20 is 76/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
24/42 = 24 × 10/42 × 10 = 240/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
32/20 = 32 × 21/20 × 21 = 672/420 - Add the two like fractions:
240/420 + 672/420 = 240 + 672/420 = 912/420 - 912/420 simplified gives 76/35
- So, 24/42 + 32/20 = 76/35
In mixed form: 26/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+32/20 24/42+64/20 24/84+32/20 24/42+32/40 72/42+32/20 24/42+96/20 24/42+32/60