Add 75/25 and 42/70
1st number: 3 0/25, 2nd number: 42/70
75/25 + 42/70 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 70 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
75/25 = 75 × 14/25 × 14 = 1050/350 - Likewise, for the 2nd fraction, since 70 × 5 = 350,
42/70 = 42 × 5/70 × 5 = 210/350 - Add the two like fractions:
1050/350 + 210/350 = 1050 + 210/350 = 1260/350 - 1260/350 simplified gives 18/5
- So, 75/25 + 42/70 = 18/5
In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/25+84/70 75/50+42/70