Add 3/14 and 21/70
3/14 + 21/70 is 18/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
3/14 = 3 × 5/14 × 5 = 15/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
21/70 = 21 × 1/70 × 1 = 21/70 - Add the two like fractions:
15/70 + 21/70 = 15 + 21/70 = 36/70 - 36/70 simplified gives 18/35
- So, 3/14 + 21/70 = 18/35
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