Add 72/42 and 35/3
1st number: 1 30/42, 2nd number: 11 2/3
72/42 + 35/3 is 281/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
72/42 = 72 × 1/42 × 1 = 72/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
35/3 = 35 × 14/3 × 14 = 490/42 - Add the two like fractions:
72/42 + 490/42 = 72 + 490/42 = 562/42 - 562/42 simplified gives 281/21
- So, 72/42 + 35/3 = 281/21
In mixed form: 138/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42+70/3 72/84+35/3 72/42+35/6 72/42+35/9 72/42+35/15 72/42+35/21