Add 45/42 and 3/10
1st number: 1 3/42, 2nd number: 3/10
45/42 + 3/10 is 48/35.
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,
45/42 = 45 × 5/42 × 5 = 225/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
3/10 = 3 × 21/10 × 21 = 63/210 - Add the two like fractions:
225/210 + 63/210 = 225 + 63/210 = 288/210 - 288/210 simplified gives 48/35
- So, 45/42 + 3/10 = 48/35
In mixed form: 113/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+3/10 45/42+6/10 45/84+3/10 45/42+3/20 45/42+9/10 45/42+3/30 45/42+15/10 45/42+3/50 45/42+21/10 45/42+3/70