Add 54/14 and 84/20
1st number: 3 12/14, 2nd number: 4 4/20
54/14 + 84/20 is 282/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
54/14 = 54 × 10/14 × 10 = 540/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
84/20 = 84 × 7/20 × 7 = 588/140 - Add the two like fractions:
540/140 + 588/140 = 540 + 588/140 = 1128/140 - 1128/140 simplified gives 282/35
- So, 54/14 + 84/20 = 282/35
In mixed form: 82/35
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