Add 81/84 and 9/25
81/84 + 9/25 is 927/700.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
81/84 = 81 × 25/84 × 25 = 2025/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
9/25 = 9 × 84/25 × 84 = 756/2100 - Add the two like fractions:
2025/2100 + 756/2100 = 2025 + 756/2100 = 2781/2100 - 2781/2100 simplified gives 927/700
- So, 81/84 + 9/25 = 927/700
In mixed form: 1227/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/84+18/25 81/84+9/50 81/84+27/25 81/84+9/75 81/84+45/25 81/84+63/25