Add 54/8 and 72/18
1st number: 6 6/8, 2nd number: 4 0/18
54/8 + 72/18 is 43/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
54/8 = 54 × 9/8 × 9 = 486/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
72/18 = 72 × 4/18 × 4 = 288/72 - Add the two like fractions:
486/72 + 288/72 = 486 + 288/72 = 774/72 - 774/72 simplified gives 43/4
- So, 54/8 + 72/18 = 43/4
In mixed form: 103/4
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