Add 18/70 and 21/7
1st number: 18/70, 2nd number: 3 0/7
18/70 + 21/7 is 114/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 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 7 × 10 = 70,
21/7 = 21 × 10/7 × 10 = 210/70 - Add the two like fractions:
18/70 + 210/70 = 18 + 210/70 = 228/70 - 228/70 simplified gives 114/35
- So, 18/70 + 21/7 = 114/35
In mixed form: 39/35
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