Add 54/84 and 90/50
1st number: 54/84, 2nd number: 1 40/50
54/84 + 90/50 is 171/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
54/84 = 54 × 25/84 × 25 = 1350/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
90/50 = 90 × 42/50 × 42 = 3780/2100 - Add the two like fractions:
1350/2100 + 3780/2100 = 1350 + 3780/2100 = 5130/2100 - 5130/2100 simplified gives 171/70
- So, 54/84 + 90/50 = 171/70
In mixed form: 231/70
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