Add 10/42 and 18/49
10/42 + 18/49 is 89/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
10/42 = 10 × 7/42 × 7 = 70/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
18/49 = 18 × 6/49 × 6 = 108/294 - Add the two like fractions:
70/294 + 108/294 = 70 + 108/294 = 178/294 - 178/294 simplified gives 89/147
- So, 10/42 + 18/49 = 89/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+18/49 10/42+36/49 10/84+18/49 10/42+18/98 30/42+18/49 10/42+54/49 50/42+18/49 10/42+90/49 70/42+18/49