Add 21/70 and 21/14
1st number: 21/70, 2nd number: 1 7/14
21/70 + 21/14 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Add the two like fractions:
21/70 + 105/70 = 21 + 105/70 = 126/70 - 126/70 simplified gives 9/5
- So, 21/70 + 21/14 = 9/5
In mixed form: 14/5
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