Add 2/42 and 12/30
2/42 + 12/30 is 47/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
2/42 = 2 × 5/42 × 5 = 10/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
12/30 = 12 × 7/30 × 7 = 84/210 - Add the two like fractions:
10/210 + 84/210 = 10 + 84/210 = 94/210 - 94/210 simplified gives 47/105
- So, 2/42 + 12/30 = 47/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/42+12/30 2/42+24/30 2/84+12/30 2/42+12/60 6/42+12/30 2/42+36/30 2/42+12/90 10/42+12/30 2/42+60/30 14/42+12/30 2/42+84/30