Add 5/70 and 2/84
5/70 + 2/84 is 2/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
5/70 = 5 × 6/70 × 6 = 30/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Add the two like fractions:
30/420 + 10/420 = 30 + 10/420 = 40/420 - 40/420 simplified gives 2/21
- So, 5/70 + 2/84 = 2/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/70+2/84 5/70+4/84 15/70+2/84 5/70+6/84 25/70+2/84 5/70+10/84 35/70+2/84 5/70+14/84