Add 75/80 and 84/12
1st number: 75/80, 2nd number: 7 0/12
75/80 + 84/12 is 127/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
75/80 = 75 × 3/80 × 3 = 225/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
84/12 = 84 × 20/12 × 20 = 1680/240 - Add the two like fractions:
225/240 + 1680/240 = 225 + 1680/240 = 1905/240 - 1905/240 simplified gives 127/16
- So, 75/80 + 84/12 = 127/16
In mixed form: 715/16
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