Add 21/72 and 18/14
1st number: 21/72, 2nd number: 1 4/14
21/72 + 18/14 is 265/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
21/72 = 21 × 7/72 × 7 = 147/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
18/14 = 18 × 36/14 × 36 = 648/504 - Add the two like fractions:
147/504 + 648/504 = 147 + 648/504 = 795/504 - 795/504 simplified gives 265/168
- So, 21/72 + 18/14 = 265/168
In mixed form: 197/168
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