Add 4/90 and 72/24
1st number: 4/90, 2nd number: 3 0/24
4/90 + 72/24 is 137/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
4/90 = 4 × 4/90 × 4 = 16/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
72/24 = 72 × 15/24 × 15 = 1080/360 - Add the two like fractions:
16/360 + 1080/360 = 16 + 1080/360 = 1096/360 - 1096/360 simplified gives 137/45
- So, 4/90 + 72/24 = 137/45
In mixed form: 32/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+72/24 4/90+72/48 12/90+72/24 20/90+72/24 28/90+72/24