Add 54/80 and 30/84
54/80 + 30/84 is 289/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
54/80 = 54 × 21/80 × 21 = 1134/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
30/84 = 30 × 20/84 × 20 = 600/1680 - Add the two like fractions:
1134/1680 + 600/1680 = 1134 + 600/1680 = 1734/1680 - 1734/1680 simplified gives 289/280
- So, 54/80 + 30/84 = 289/280
In mixed form: 19/280
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