Add 5/90 and 70/4
1st number: 5/90, 2nd number: 17 2/4
5/90 + 70/4 is 158/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
5/90 = 5 × 2/90 × 2 = 10/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
70/4 = 70 × 45/4 × 45 = 3150/180 - Add the two like fractions:
10/180 + 3150/180 = 10 + 3150/180 = 3160/180 - 3160/180 simplified gives 158/9
- So, 5/90 + 70/4 = 158/9
In mixed form: 175/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+70/4 5/90+70/8 15/90+70/4 5/90+70/12 25/90+70/4 5/90+70/20 35/90+70/4 5/90+70/28