Add 54/25 and 75/21
1st number: 2 4/25, 2nd number: 3 12/21
54/25 + 75/21 is 1003/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 25 × 21 = 525,
54/25 = 54 × 21/25 × 21 = 1134/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
75/21 = 75 × 25/21 × 25 = 1875/525 - Add the two like fractions:
1134/525 + 1875/525 = 1134 + 1875/525 = 3009/525 - 3009/525 simplified gives 1003/175
- So, 54/25 + 75/21 = 1003/175
In mixed form: 5128/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/50+75/21 54/25+75/42 54/75+75/21 54/25+75/63