Add 9/25 and 12/72
9/25 + 12/72 is 79/150.
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,
9/25 = 9 × 72/25 × 72 = 648/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
12/72 = 12 × 25/72 × 25 = 300/1800 - Add the two like fractions:
648/1800 + 300/1800 = 648 + 300/1800 = 948/1800 - 948/1800 simplified gives 79/150
- So, 9/25 + 12/72 = 79/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/25+12/72 9/25+24/72 9/50+12/72 27/25+12/72 9/25+36/72 9/75+12/72 45/25+12/72 9/25+60/72 63/25+12/72 9/25+84/72