Add 12/24 and 10/42
12/24 + 10/42 is 31/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
12/24 = 12 × 7/24 × 7 = 84/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
10/42 = 10 × 4/42 × 4 = 40/168 - Add the two like fractions:
84/168 + 40/168 = 84 + 40/168 = 124/168 - 124/168 simplified gives 31/42
- So, 12/24 + 10/42 = 31/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/24+20/42 12/48+10/42 12/24+10/84 36/24+10/42 12/24+30/42 12/72+10/42 60/24+10/42 12/24+50/42 84/24+10/42 12/24+70/42