Add 10/42 and 54/30
1st number: 10/42, 2nd number: 1 24/30
10/42 + 54/30 is 214/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
10/42 = 10 × 5/42 × 5 = 50/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
54/30 = 54 × 7/30 × 7 = 378/210 - Add the two like fractions:
50/210 + 378/210 = 50 + 378/210 = 428/210 - 428/210 simplified gives 214/105
- So, 10/42 + 54/30 = 214/105
In mixed form: 24/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+54/30 10/84+54/30 10/42+54/60 30/42+54/30 10/42+54/90 50/42+54/30 70/42+54/30