Add 4/10 and 42/30
1st number: 4/10, 2nd number: 1 12/30
4/10 + 42/30 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
4/10 = 4 × 3/10 × 3 = 12/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Add the two like fractions:
12/30 + 42/30 = 12 + 42/30 = 54/30 - 54/30 simplified gives 9/5
- So, 4/10 + 42/30 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10+42/30 4/10+84/30 4/20+42/30 4/10+42/60 12/10+42/30 4/30+42/30 4/10+42/90 20/10+42/30 4/50+42/30 28/10+42/30 4/70+42/30