Add 6/54 and 45/21
1st number: 6/54, 2nd number: 2 3/21
6/54 + 45/21 is 142/63.
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,
6/54 = 6 × 7/54 × 7 = 42/378 - Likewise, for the 2nd fraction, since 21 × 18 = 378,
45/21 = 45 × 18/21 × 18 = 810/378 - Add the two like fractions:
42/378 + 810/378 = 42 + 810/378 = 852/378 - 852/378 simplified gives 142/63
- So, 6/54 + 45/21 = 142/63
In mixed form: 216/63
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