Add 18/5 and 54/84
1st number: 3 3/5, 2nd number: 54/84
18/5 + 54/84 is 297/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
18/5 = 18 × 84/5 × 84 = 1512/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Add the two like fractions:
1512/420 + 270/420 = 1512 + 270/420 = 1782/420 - 1782/420 simplified gives 297/70
- So, 18/5 + 54/84 = 297/70
In mixed form: 417/70
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