Add 12/5 and 2/42
1st number: 2 2/5, 2nd number: 2/42
12/5 + 2/42 is 257/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
12/5 = 12 × 42/5 × 42 = 504/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
2/42 = 2 × 5/42 × 5 = 10/210 - Add the two like fractions:
504/210 + 10/210 = 504 + 10/210 = 514/210 - 514/210 simplified gives 257/105
- So, 12/5 + 2/42 = 257/105
In mixed form: 247/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/5+2/42 12/5+4/42 12/10+2/42 12/5+2/84 36/5+2/42 12/5+6/42 12/15+2/42 60/5+2/42 12/5+10/42 12/25+2/42 84/5+2/42 12/5+14/42 12/35+2/42