Add 30/80 and 75/54
1st number: 30/80, 2nd number: 1 21/54
30/80 + 75/54 is 127/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
30/80 = 30 × 27/80 × 27 = 810/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
75/54 = 75 × 40/54 × 40 = 3000/2160 - Add the two like fractions:
810/2160 + 3000/2160 = 810 + 3000/2160 = 3810/2160 - 3810/2160 simplified gives 127/72
- So, 30/80 + 75/54 = 127/72
In mixed form: 155/72
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