Add 30/18 and 72/48
1st number: 1 12/18, 2nd number: 1 24/48
30/18 + 72/48 is 19/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
30/18 = 30 × 8/18 × 8 = 240/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
72/48 = 72 × 3/48 × 3 = 216/144 - Add the two like fractions:
240/144 + 216/144 = 240 + 216/144 = 456/144 - 456/144 simplified gives 19/6
- So, 30/18 + 72/48 = 19/6
In mixed form: 31/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+72/48 30/36+72/48 30/18+72/96 90/18+72/48 30/54+72/48 30/90+72/48