Add 54/20 and 63/14
1st number: 2 14/20, 2nd number: 4 7/14
54/20 + 63/14 is 36/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
63/14 = 63 × 10/14 × 10 = 630/140 - Add the two like fractions:
378/140 + 630/140 = 378 + 630/140 = 1008/140 - 1008/140 simplified gives 36/5
- So, 54/20 + 63/14 = 36/5
In mixed form: 71/5
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