Add 27/15 and 49/42
1st number: 1 12/15, 2nd number: 1 7/42
27/15 + 49/42 is 89/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
27/15 = 27 × 14/15 × 14 = 378/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
49/42 = 49 × 5/42 × 5 = 245/210 - Add the two like fractions:
378/210 + 245/210 = 378 + 245/210 = 623/210 - 623/210 simplified gives 89/30
- So, 27/15 + 49/42 = 89/30
In mixed form: 229/30
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