Add 70/25 and 2/72
1st number: 2 20/25, 2nd number: 2/72
70/25 + 2/72 is 509/180.
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,
70/25 = 70 × 72/25 × 72 = 5040/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
2/72 = 2 × 25/72 × 25 = 50/1800 - Add the two like fractions:
5040/1800 + 50/1800 = 5040 + 50/1800 = 5090/1800 - 5090/1800 simplified gives 509/180
- So, 70/25 + 2/72 = 509/180
In mixed form: 2149/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/25+4/72 70/50+2/72 70/25+6/72 70/75+2/72 70/25+10/72 70/25+14/72