Add 3/42 and 60/30
1st number: 3/42, 2nd number: 2 0/30
3/42 + 60/30 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
60/30 = 60 × 7/30 × 7 = 420/210 - Add the two like fractions:
15/210 + 420/210 = 15 + 420/210 = 435/210 - 435/210 simplified gives 29/14
- So, 3/42 + 60/30 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+60/30 3/84+60/30 9/42+60/30 3/42+60/90 15/42+60/30 21/42+60/30