Add 90/8 and 3/72
1st number: 11 2/8, 2nd number: 3/72
90/8 + 3/72 is 271/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
90/8 = 90 × 9/8 × 9 = 810/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
3/72 = 3 × 1/72 × 1 = 3/72 - Add the two like fractions:
810/72 + 3/72 = 810 + 3/72 = 813/72 - 813/72 simplified gives 271/24
- So, 90/8 + 3/72 = 271/24
In mixed form: 117/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/8+6/72 90/16+3/72 90/8+9/72 90/24+3/72 90/8+15/72 90/40+3/72 90/8+21/72 90/56+3/72