Add 42/25 and 70/12
1st number: 1 17/25, 2nd number: 5 10/12
42/25 + 70/12 is 1127/150.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 25 × 12 = 300,
42/25 = 42 × 12/25 × 12 = 504/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
70/12 = 70 × 25/12 × 25 = 1750/300 - Add the two like fractions:
504/300 + 1750/300 = 504 + 1750/300 = 2254/300 - 2254/300 simplified gives 1127/150
- So, 42/25 + 70/12 = 1127/150
In mixed form: 777/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25+70/12 42/50+70/12 42/25+70/24 42/75+70/12 42/25+70/36 42/25+70/60 42/25+70/84