Add 90/45 and 72/24
1st number: 2 0/45, 2nd number: 3 0/24
90/45 + 72/24 is 5/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
90/45 = 90 × 8/45 × 8 = 720/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
72/24 = 72 × 15/24 × 15 = 1080/360 - Add the two like fractions:
720/360 + 1080/360 = 720 + 1080/360 = 1800/360 - 1800/360 simplified gives 5/1
- So, 90/45 + 72/24 = 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45+72/48