Add 24/80 and 45/12
1st number: 24/80, 2nd number: 3 9/12
24/80 + 45/12 is 81/20.
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,
24/80 = 24 × 3/80 × 3 = 72/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
45/12 = 45 × 20/12 × 20 = 900/240 - Add the two like fractions:
72/240 + 900/240 = 72 + 900/240 = 972/240 - 972/240 simplified gives 81/20
- So, 24/80 + 45/12 = 81/20
In mixed form: 41/20
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