Add 9/72 and 40/28
1st number: 9/72, 2nd number: 1 12/28
9/72 + 40/28 is 87/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
40/28 = 40 × 18/28 × 18 = 720/504 - Add the two like fractions:
63/504 + 720/504 = 63 + 720/504 = 783/504 - 783/504 simplified gives 87/56
- So, 9/72 + 40/28 = 87/56
In mixed form: 131/56
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