Add 14/84 and 25/70
14/84 + 25/70 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
14/84 = 14 × 5/84 × 5 = 70/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
25/70 = 25 × 6/70 × 6 = 150/420 - Add the two like fractions:
70/420 + 150/420 = 70 + 150/420 = 220/420 - 220/420 simplified gives 11/21
- So, 14/84 + 25/70 = 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84+25/70 14/84+50/70 42/84+25/70 14/84+75/70 70/84+25/70 98/84+25/70