Add 4/25 and 3/81
4/25 + 3/81 is 133/675.
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,
4/25 = 4 × 81/25 × 81 = 324/2025 - Likewise, for the 2nd fraction, since 81 × 25 = 2025,
3/81 = 3 × 25/81 × 25 = 75/2025 - Add the two like fractions:
324/2025 + 75/2025 = 324 + 75/2025 = 399/2025 - 399/2025 simplified gives 133/675
- So, 4/25 + 3/81 = 133/675
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/25+3/81 4/25+6/81 4/50+3/81 12/25+3/81 4/25+9/81 4/75+3/81 20/25+3/81 4/25+15/81 28/25+3/81 4/25+21/81