Add 27/21 and 5/42
1st number: 1 6/21, 2nd number: 5/42
27/21 + 5/42 is 59/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
27/21 = 27 × 2/21 × 2 = 54/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
5/42 = 5 × 1/42 × 1 = 5/42 - Add the two like fractions:
54/42 + 5/42 = 54 + 5/42 = 59/42 - So, 27/21 + 5/42 = 59/42
In mixed form: 117/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+5/42 27/21+10/42 27/42+5/42 27/21+5/84 81/21+5/42 27/21+15/42 27/63+5/42 27/21+25/42 27/21+35/42