Add 27/30 and 35/70
27/30 + 35/70 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 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 70 × 3 = 210,
35/70 = 35 × 3/70 × 3 = 105/210 - Add the two like fractions:
189/210 + 105/210 = 189 + 105/210 = 294/210 - 294/210 simplified gives 7/5
- So, 27/30 + 35/70 = 7/5
In mixed form: 12/5
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