Add 12/7 and 9/54
1st number: 1 5/7, 2nd number: 9/54
12/7 + 9/54 is 79/42.
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,
12/7 = 12 × 54/7 × 54 = 648/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378 - Add the two like fractions:
648/378 + 63/378 = 648 + 63/378 = 711/378 - 711/378 simplified gives 79/42
- So, 12/7 + 9/54 = 79/42
In mixed form: 137/42
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