Add 54/7 and 45/18
1st number: 7 5/7, 2nd number: 2 9/18
54/7 + 45/18 is 143/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
54/7 = 54 × 18/7 × 18 = 972/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126 - Add the two like fractions:
972/126 + 315/126 = 972 + 315/126 = 1287/126 - 1287/126 simplified gives 143/14
- So, 54/7 + 45/18 = 143/14
In mixed form: 103/14
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