Add 70/4 and 20/27
1st number: 17 2/4, 2nd number: 20/27
70/4 + 20/27 is 985/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 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 27 × 4 = 108,
20/27 = 20 × 4/27 × 4 = 80/108 - Add the two like fractions:
1890/108 + 80/108 = 1890 + 80/108 = 1970/108 - 1970/108 simplified gives 985/54
- So, 70/4 + 20/27 = 985/54
In mixed form: 1813/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+40/27 70/8+20/27 70/4+20/54 70/4+60/27 70/12+20/27 70/4+20/81 70/20+20/27 70/28+20/27