Add 14/70 and 21/4
1st number: 14/70, 2nd number: 5 1/4
14/70 + 21/4 is 109/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
14/70 = 14 × 2/70 × 2 = 28/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
21/4 = 21 × 35/4 × 35 = 735/140 - Add the two like fractions:
28/140 + 735/140 = 28 + 735/140 = 763/140 - 763/140 simplified gives 109/20
- So, 14/70 + 21/4 = 109/20
In mixed form: 59/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70+21/4 14/70+42/4 14/70+21/8 42/70+21/4 14/70+63/4 14/70+21/12 14/70+21/20 98/70+21/4 14/70+21/28