Add 18/70 and 21/14
1st number: 18/70, 2nd number: 1 7/14
18/70 + 21/14 is 123/70.
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,
18/70 = 18 × 1/70 × 1 = 18/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Add the two like fractions:
18/70 + 105/70 = 18 + 105/70 = 123/70 - So, 18/70 + 21/14 = 123/70
In mixed form: 153/70
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