Add 14/20 and 36/84
14/20 + 36/84 is 79/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
14/20 = 14 × 21/20 × 21 = 294/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
36/84 = 36 × 5/84 × 5 = 180/420 - Add the two like fractions:
294/420 + 180/420 = 294 + 180/420 = 474/420 - 474/420 simplified gives 79/70
- So, 14/20 + 36/84 = 79/70
In mixed form: 19/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/20+36/84 14/20+72/84 14/40+36/84 42/20+36/84 14/60+36/84 70/20+36/84 98/20+36/84