Add 16/25 and 70/72
16/25 + 70/72 is 1451/900.
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,
16/25 = 16 × 72/25 × 72 = 1152/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
70/72 = 70 × 25/72 × 25 = 1750/1800 - Add the two like fractions:
1152/1800 + 1750/1800 = 1152 + 1750/1800 = 2902/1800 - 2902/1800 simplified gives 1451/900
- So, 16/25 + 70/72 = 1451/900
In mixed form: 1551/900
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/25+70/72 16/50+70/72 48/25+70/72 16/75+70/72 80/25+70/72