Add 54/12 and 20/80
1st number: 4 6/12, 2nd number: 20/80
54/12 + 20/80 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
54/12 = 54 × 20/12 × 20 = 1080/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
1080/240 + 60/240 = 1080 + 60/240 = 1140/240 - 1140/240 simplified gives 19/4
- So, 54/12 + 20/80 = 19/4
In mixed form: 43/4
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