Add 4/24 and 90/72
1st number: 4/24, 2nd number: 1 18/72
4/24 + 90/72 is 17/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
4/24 = 4 × 3/24 × 3 = 12/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
12/72 + 90/72 = 12 + 90/72 = 102/72 - 102/72 simplified gives 17/12
- So, 4/24 + 90/72 = 17/12
In mixed form: 15/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/24+90/72 4/48+90/72 12/24+90/72 4/72+90/72 20/24+90/72 28/24+90/72