Add 42/24 and 18/84
1st number: 1 18/24, 2nd number: 18/84
42/24 + 18/84 is 55/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
42/24 = 42 × 7/24 × 7 = 294/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
18/84 = 18 × 2/84 × 2 = 36/168 - Add the two like fractions:
294/168 + 36/168 = 294 + 36/168 = 330/168 - 330/168 simplified gives 55/28
- So, 42/24 + 18/84 = 55/28
In mixed form: 127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+18/84 42/24+36/84 42/48+18/84 42/24+54/84 42/72+18/84 42/24+90/84