Add 30/90 and 18/48
30/90 + 18/48 is 17/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
30/90 = 30 × 8/90 × 8 = 240/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
18/48 = 18 × 15/48 × 15 = 270/720 - Add the two like fractions:
240/720 + 270/720 = 240 + 270/720 = 510/720 - 510/720 simplified gives 17/24
- So, 30/90 + 18/48 = 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+18/48 30/90+36/48 30/90+18/96 30/90+54/48 30/90+90/48