Add 54/56 and 72/18
1st number: 54/56, 2nd number: 4 0/18
54/56 + 72/18 is 139/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
54/56 = 54 × 9/56 × 9 = 486/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
72/18 = 72 × 28/18 × 28 = 2016/504 - Add the two like fractions:
486/504 + 2016/504 = 486 + 2016/504 = 2502/504 - 2502/504 simplified gives 139/28
- So, 54/56 + 72/18 = 139/28
In mixed form: 427/28
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