Add 27/30 and 28/42
27/30 + 28/42 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
27/30 = 27 × 7/30 × 7 = 189/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Add the two like fractions:
189/210 + 140/210 = 189 + 140/210 = 329/210 - 329/210 simplified gives 47/30
- So, 27/30 + 28/42 = 47/30
In mixed form: 117/30
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