Add 15/42 and 54/49
1st number: 15/42, 2nd number: 1 5/49
15/42 + 54/49 is 143/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
15/42 = 15 × 7/42 × 7 = 105/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
54/49 = 54 × 6/49 × 6 = 324/294 - Add the two like fractions:
105/294 + 324/294 = 105 + 324/294 = 429/294 - 429/294 simplified gives 143/98
- So, 15/42 + 54/49 = 143/98
In mixed form: 145/98
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