Add 32/42 and 42/20
1st number: 32/42, 2nd number: 2 2/20
32/42 + 42/20 is 601/210.
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,
32/42 = 32 × 10/42 × 10 = 320/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
42/20 = 42 × 21/20 × 21 = 882/420 - Add the two like fractions:
320/420 + 882/420 = 320 + 882/420 = 1202/420 - 1202/420 simplified gives 601/210
- So, 32/42 + 42/20 = 601/210
In mixed form: 2181/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/42+42/20 32/42+84/20 32/84+42/20 32/42+42/40 96/42+42/20 32/42+42/60