Add 10/42 and 75/10
1st number: 10/42, 2nd number: 7 5/10
10/42 + 75/10 is 325/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 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 10 × 21 = 210,
75/10 = 75 × 21/10 × 21 = 1575/210 - Add the two like fractions:
50/210 + 1575/210 = 50 + 1575/210 = 1625/210 - 1625/210 simplified gives 325/42
- So, 10/42 + 75/10 = 325/42
In mixed form: 731/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+75/10 10/84+75/10 10/42+75/20 30/42+75/10 10/42+75/30 50/42+75/10 10/42+75/50 70/42+75/10 10/42+75/70