Add 70/4 and 42/54
1st number: 17 2/4, 2nd number: 42/54
70/4 + 42/54 is 329/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
70/4 = 70 × 27/4 × 27 = 1890/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
42/54 = 42 × 2/54 × 2 = 84/108 - Add the two like fractions:
1890/108 + 84/108 = 1890 + 84/108 = 1974/108 - 1974/108 simplified gives 329/18
- So, 70/4 + 42/54 = 329/18
In mixed form: 185/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+84/54 70/8+42/54 70/12+42/54 70/20+42/54 70/28+42/54