Add 9/90 and 70/8
1st number: 9/90, 2nd number: 8 6/8
9/90 + 70/8 is 177/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
9/90 = 9 × 4/90 × 4 = 36/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
70/8 = 70 × 45/8 × 45 = 3150/360 - Add the two like fractions:
36/360 + 3150/360 = 36 + 3150/360 = 3186/360 - 3186/360 simplified gives 177/20
- So, 9/90 + 70/8 = 177/20
In mixed form: 817/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+70/8 9/90+70/16 27/90+70/8 9/90+70/24 45/90+70/8 9/90+70/40 63/90+70/8 9/90+70/56