Add 40/14 and 50/42
1st number: 2 12/14, 2nd number: 1 8/42
40/14 + 50/42 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
50/42 = 50 × 1/42 × 1 = 50/42 - Add the two like fractions:
120/42 + 50/42 = 120 + 50/42 = 170/42 - 170/42 simplified gives 85/21
- So, 40/14 + 50/42 = 85/21
In mixed form: 41/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+50/42 40/28+50/42 40/14+50/84 40/42+50/42 40/70+50/42 40/98+50/42