Add 18/7 and 36/54
1st number: 2 4/7, 2nd number: 36/54
18/7 + 36/54 is 68/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
18/7 = 18 × 54/7 × 54 = 972/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
36/54 = 36 × 7/54 × 7 = 252/378 - Add the two like fractions:
972/378 + 252/378 = 972 + 252/378 = 1224/378 - 1224/378 simplified gives 68/21
- So, 18/7 + 36/54 = 68/21
In mixed form: 35/21
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