Add 54/8 and 54/7
1st number: 6 6/8, 2nd number: 7 5/7
54/8 + 54/7 is 405/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
54/8 = 54 × 7/8 × 7 = 378/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
54/7 = 54 × 8/7 × 8 = 432/56 - Add the two like fractions:
378/56 + 432/56 = 378 + 432/56 = 810/56 - 810/56 simplified gives 405/28
- So, 54/8 + 54/7 = 405/28
In mixed form: 1413/28
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