Add 75/25 and 7/81
1st number: 3 0/25, 2nd number: 7/81
75/25 + 7/81 is 250/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 81 is 2025
Next, find the equivalent fraction of both fractional numbers with denominator 2025 - For the 1st fraction, since 25 × 81 = 2025,
75/25 = 75 × 81/25 × 81 = 6075/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
7/81 = 7 × 25/81 × 25 = 175/2025 - Add the two like fractions:
6075/2025 + 175/2025 = 6075 + 175/2025 = 6250/2025 - 6250/2025 simplified gives 250/81
- So, 75/25 + 7/81 = 250/81
In mixed form: 37/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/25+14/81 75/50+7/81 75/25+21/81 75/25+35/81 75/25+49/81