Add 3/25 and 7/72
3/25 + 7/72 is 391/1800.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
3/25 = 3 × 72/25 × 72 = 216/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
7/72 = 7 × 25/72 × 25 = 175/1800 - Add the two like fractions:
216/1800 + 175/1800 = 216 + 175/1800 = 391/1800 - So, 3/25 + 7/72 = 391/1800
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/25+7/72 3/25+14/72 3/50+7/72 9/25+7/72 3/25+21/72 3/75+7/72 15/25+7/72 3/25+35/72 21/25+7/72 3/25+49/72