Add 27/70 and 12/20
27/70 + 12/20 is 69/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
27/70 = 27 × 2/70 × 2 = 54/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Add the two like fractions:
54/140 + 84/140 = 54 + 84/140 = 138/140 - 138/140 simplified gives 69/70
- So, 27/70 + 12/20 = 69/70
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