Add 15/14 and 20/84
1st number: 1 1/14, 2nd number: 20/84
15/14 + 20/84 is 55/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
15/14 = 15 × 6/14 × 6 = 90/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Add the two like fractions:
90/84 + 20/84 = 90 + 20/84 = 110/84 - 110/84 simplified gives 55/42
- So, 15/14 + 20/84 = 55/42
In mixed form: 113/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/14+20/84 15/14+40/84 15/28+20/84 45/14+20/84 15/14+60/84 15/42+20/84 75/14+20/84 15/70+20/84 15/98+20/84