Add 6/42 and 54/20
1st number: 6/42, 2nd number: 2 14/20
6/42 + 54/20 is 199/70.
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,
6/42 = 6 × 10/42 × 10 = 60/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
54/20 = 54 × 21/20 × 21 = 1134/420 - Add the two like fractions:
60/420 + 1134/420 = 60 + 1134/420 = 1194/420 - 1194/420 simplified gives 199/70
- So, 6/42 + 54/20 = 199/70
In mixed form: 259/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+54/20 6/84+54/20 6/42+54/40 18/42+54/20 6/42+54/60 30/42+54/20