Add 70/4 and 42/9
1st number: 17 2/4, 2nd number: 4 6/9
70/4 + 42/9 is 133/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
42/9 = 42 × 4/9 × 4 = 168/36 - Add the two like fractions:
630/36 + 168/36 = 630 + 168/36 = 798/36 - 798/36 simplified gives 133/6
- So, 70/4 + 42/9 = 133/6
In mixed form: 221/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+84/9 70/8+42/9 70/4+42/18 70/12+42/9 70/4+42/27 70/20+42/9 70/4+42/45 70/28+42/9 70/4+42/63