Add 49/25 and 81/21
1st number: 1 24/25, 2nd number: 3 18/21
49/25 + 81/21 is 1018/175.
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,
49/25 = 49 × 21/25 × 21 = 1029/525 - Likewise, for the 2nd fraction, since 21 × 25 = 525,
81/21 = 81 × 25/21 × 25 = 2025/525 - Add the two like fractions:
1029/525 + 2025/525 = 1029 + 2025/525 = 3054/525 - 3054/525 simplified gives 1018/175
- So, 49/25 + 81/21 = 1018/175
In mixed form: 5143/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/25+81/21 49/50+81/21 49/25+81/42 49/75+81/21 49/25+81/63