Add 75/54 and 18/21
1st number: 1 21/54, 2nd number: 18/21
75/54 + 18/21 is 283/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 21 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
75/54 = 75 × 7/54 × 7 = 525/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
18/21 = 18 × 18/21 × 18 = 324/378 - Add the two like fractions:
525/378 + 324/378 = 525 + 324/378 = 849/378 - 849/378 simplified gives 283/126
- So, 75/54 + 18/21 = 283/126
In mixed form: 231/126
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