Add 42/10 and 30/3
1st number: 4 2/10, 2nd number: 10 0/3
42/10 + 30/3 is 71/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
42/10 = 42 × 3/10 × 3 = 126/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
30/3 = 30 × 10/3 × 10 = 300/30 - Add the two like fractions:
126/30 + 300/30 = 126 + 300/30 = 426/30 - 426/30 simplified gives 71/5
- So, 42/10 + 30/3 = 71/5
In mixed form: 141/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+30/3 42/10+60/3 42/20+30/3 42/10+30/6 42/10+90/3 42/30+30/3 42/10+30/9 42/50+30/3 42/10+30/15 42/70+30/3 42/10+30/21