Add 6/70 and 21/36
6/70 + 21/36 is 281/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 70 × 18 = 1260,
6/70 = 6 × 18/70 × 18 = 108/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
21/36 = 21 × 35/36 × 35 = 735/1260 - Add the two like fractions:
108/1260 + 735/1260 = 108 + 735/1260 = 843/1260 - 843/1260 simplified gives 281/420
- So, 6/70 + 21/36 = 281/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70+21/36 6/70+42/36 6/70+21/72 18/70+21/36 6/70+63/36 30/70+21/36 42/70+21/36