Add 30/24 and 18/42
1st number: 1 6/24, 2nd number: 18/42
30/24 + 18/42 is 47/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
18/42 = 18 × 4/42 × 4 = 72/168 - Add the two like fractions:
210/168 + 72/168 = 210 + 72/168 = 282/168 - 282/168 simplified gives 47/28
- So, 30/24 + 18/42 = 47/28
In mixed form: 119/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24+18/42 30/24+36/42 30/48+18/42 30/24+18/84 90/24+18/42 30/24+54/42 30/72+18/42 30/24+90/42