Add 27/30 and 42/35
1st number: 27/30, 2nd number: 1 7/35
27/30 + 42/35 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 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 35 × 6 = 210,
42/35 = 42 × 6/35 × 6 = 252/210 - Add the two like fractions:
189/210 + 252/210 = 189 + 252/210 = 441/210 - 441/210 simplified gives 21/10
- So, 27/30 + 42/35 = 21/10
In mixed form: 21/10
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