Add 30/3 and 10/42
1st number: 10 0/3, 2nd number: 10/42
303 + 1042 is 21521.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
303 = 30 × 143 × 14 = 42042 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
1042 = 10 × 142 × 1 = 1042 - Add the two like fractions:
42042 + 1042 = 420 + 1042 = 43042 - 430/42 simplified gives 21521
- So, 30/3 + 10/42 = 215/21
In mixed form: 10521
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/3+10/42 30/3+20/42 30/6+10/42 30/3+10/84 90/3+10/42 30/3+30/42 30/9+10/42 30/3+50/42 30/15+10/42 30/3+70/42 30/21+10/42