Add 75/42 and 16/20
1st number: 1 33/42, 2nd number: 16/20
75/42 + 16/20 is 181/70.
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,
75/42 = 75 × 10/42 × 10 = 750/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
16/20 = 16 × 21/20 × 21 = 336/420 - Add the two like fractions:
750/420 + 336/420 = 750 + 336/420 = 1086/420 - 1086/420 simplified gives 181/70
- So, 75/42 + 16/20 = 181/70
In mixed form: 241/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/42+32/20 75/84+16/20 75/42+16/40 75/42+48/20 75/42+16/60 75/42+80/20