Add 50/21 and 18/54
1st number: 2 8/21, 2nd number: 18/54
50/21 + 18/54 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 21 × 18 = 378,
50/21 = 50 × 18/21 × 18 = 900/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
18/54 = 18 × 7/54 × 7 = 126/378 - Add the two like fractions:
900/378 + 126/378 = 900 + 126/378 = 1026/378 - 1026/378 simplified gives 19/7
- So, 50/21 + 18/54 = 19/7
In mixed form: 25/7
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