Add 81/24 and 4/90
1st number: 3 9/24, 2nd number: 4/90
81/24 + 4/90 is 1231/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
81/24 = 81 × 15/24 × 15 = 1215/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
4/90 = 4 × 4/90 × 4 = 16/360 - Add the two like fractions:
1215/360 + 16/360 = 1215 + 16/360 = 1231/360 - So, 81/24 + 4/90 = 1231/360
In mixed form: 3151/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/24+8/90 81/48+4/90 81/24+12/90 81/72+4/90 81/24+20/90 81/24+28/90