Add 70/48 and 30/81
1st number: 1 22/48, 2nd number: 30/81
70/48 + 30/81 is 395/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 48 × 27 = 1296,
70/48 = 70 × 27/48 × 27 = 1890/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
30/81 = 30 × 16/81 × 16 = 480/1296 - Add the two like fractions:
1890/1296 + 480/1296 = 1890 + 480/1296 = 2370/1296 - 2370/1296 simplified gives 395/216
- So, 70/48 + 30/81 = 395/216
In mixed form: 1179/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/48+60/81 70/96+30/81 70/48+90/81