Add 14/21 and 14/30
14/21 + 14/30 is 17/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
14/21 = 14 × 10/21 × 10 = 140/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
14/30 = 14 × 7/30 × 7 = 98/210 - Add the two like fractions:
140/210 + 98/210 = 140 + 98/210 = 238/210 - 238/210 simplified gives 17/15
- So, 14/21 + 14/30 = 17/15
In mixed form: 12/15
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