Add 9/90 and 72/8
1st number: 9/90, 2nd number: 9 0/8
9/90 + 72/8 is 91/10.
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,
72/8 = 72 × 45/8 × 45 = 3240/360 - Add the two like fractions:
36/360 + 3240/360 = 36 + 3240/360 = 3276/360 - 3276/360 simplified gives 91/10
- So, 9/90 + 72/8 = 91/10
In mixed form: 91/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+72/8 9/90+72/16 27/90+72/8 9/90+72/24 45/90+72/8 9/90+72/40 63/90+72/8 9/90+72/56