Add 30/42 and 63/54
1st number: 30/42, 2nd number: 1 9/54
30/42 + 63/54 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
30/42 = 30 × 9/42 × 9 = 270/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Add the two like fractions:
270/378 + 441/378 = 270 + 441/378 = 711/378 - 711/378 simplified gives 79/42
- So, 30/42 + 63/54 = 79/42
In mixed form: 137/42
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