Add 10/16 and 70/81
10/16 + 70/81 is 965/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 81 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 16 × 81 = 1296,
10/16 = 10 × 81/16 × 81 = 810/1296 - Likewise, for the 2nd fraction, since 81 × 16 = 1296,
70/81 = 70 × 16/81 × 16 = 1120/1296 - Add the two like fractions:
810/1296 + 1120/1296 = 810 + 1120/1296 = 1930/1296 - 1930/1296 simplified gives 965/648
- So, 10/16 + 70/81 = 965/648
In mixed form: 1317/648
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16+70/81 10/32+70/81 30/16+70/81 10/48+70/81 50/16+70/81 10/80+70/81 70/16+70/81