Add 70/4 and 90/54
1st number: 17 2/4, 2nd number: 1 36/54
70/4 + 90/54 is 115/6.
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,
90/54 = 90 × 2/54 × 2 = 180/108 - Add the two like fractions:
1890/108 + 180/108 = 1890 + 180/108 = 2070/108 - 2070/108 simplified gives 115/6
- So, 70/4 + 90/54 = 115/6
In mixed form: 191/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+90/54 70/12+90/54 70/20+90/54 70/28+90/54