Add 75/12 and 42/10
1st number: 6 3/12, 2nd number: 4 2/10
75/12 + 42/10 is 209/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
75/12 = 75 × 5/12 × 5 = 375/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
42/10 = 42 × 6/10 × 6 = 252/60 - Add the two like fractions:
375/60 + 252/60 = 375 + 252/60 = 627/60 - 627/60 simplified gives 209/20
- So, 75/12 + 42/10 = 209/20
In mixed form: 109/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/12+84/10 75/24+42/10 75/12+42/20 75/36+42/10 75/12+42/30 75/60+42/10 75/12+42/50 75/84+42/10 75/12+42/70