Add 20/15 and 20/80
1st number: 1 5/15, 2nd number: 20/80
20/15 + 20/80 is 19/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
20/15 = 20 × 16/15 × 16 = 320/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
320/240 + 60/240 = 320 + 60/240 = 380/240 - 380/240 simplified gives 19/12
- So, 20/15 + 20/80 = 19/12
In mixed form: 17/12
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