Add 84/2 and 12/42
1st number: 42 0/2, 2nd number: 12/42
84/2 + 12/42 is 296/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
84/2 = 84 × 21/2 × 21 = 1764/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Add the two like fractions:
1764/42 + 12/42 = 1764 + 12/42 = 1776/42 - 1776/42 simplified gives 296/7
- So, 84/2 + 12/42 = 296/7
In mixed form: 422/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+24/42 84/4+12/42 84/2+12/84 84/2+36/42 84/6+12/42 84/2+60/42 84/10+12/42 84/2+84/42 84/14+12/42