Add 21/72 and 25/14
1st number: 21/72, 2nd number: 1 11/14
21/72 + 25/14 is 349/168.
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,
25/14 = 25 × 36/14 × 36 = 900/504 - Add the two like fractions:
147/504 + 900/504 = 147 + 900/504 = 1047/504 - 1047/504 simplified gives 349/168
- So, 21/72 + 25/14 = 349/168
In mixed form: 213/168
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