Add 54/84 and 30/35
54/84 + 30/35 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
54/84 = 54 × 5/84 × 5 = 270/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
30/35 = 30 × 12/35 × 12 = 360/420 - Add the two like fractions:
270/420 + 360/420 = 270 + 360/420 = 630/420 - 630/420 simplified gives 3/2
- So, 54/84 + 30/35 = 3/2
In mixed form: 11/2
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