Add 75/25 and 42/49
1st number: 3 0/25, 2nd number: 42/49
75/25 + 42/49 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 49 is 1225
Next, find the equivalent fraction of both fractional numbers with denominator 1225 - For the 1st fraction, since 25 × 49 = 1225,
75/25 = 75 × 49/25 × 49 = 3675/1225 - Likewise, for the 2nd fraction, since 49 × 25 = 1225,
42/49 = 42 × 25/49 × 25 = 1050/1225 - Add the two like fractions:
3675/1225 + 1050/1225 = 3675 + 1050/1225 = 4725/1225 - 4725/1225 simplified gives 27/7
- So, 75/25 + 42/49 = 27/7
In mixed form: 36/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/25+84/49 75/50+42/49 75/25+42/98