Add 27/70 and 84/20
1st number: 27/70, 2nd number: 4 4/20
27/70 + 84/20 is 321/70.
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,
84/20 = 84 × 7/20 × 7 = 588/140 - Add the two like fractions:
54/140 + 588/140 = 54 + 588/140 = 642/140 - 642/140 simplified gives 321/70
- So, 27/70 + 84/20 = 321/70
In mixed form: 441/70
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