Add 40/72 and 14/7
1st number: 40/72, 2nd number: 2 0/7
40/72 + 14/7 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
40/72 = 40 × 7/72 × 7 = 280/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
14/7 = 14 × 72/7 × 72 = 1008/504 - Add the two like fractions:
280/504 + 1008/504 = 280 + 1008/504 = 1288/504 - 1288/504 simplified gives 23/9
- So, 40/72 + 14/7 = 23/9
In mixed form: 25/9
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