Add 30/15 and 81/80
1st number: 2 0/15, 2nd number: 1 1/80
30/15 + 81/80 is 241/80.
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,
30/15 = 30 × 16/15 × 16 = 480/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240 - Add the two like fractions:
480/240 + 243/240 = 480 + 243/240 = 723/240 - 723/240 simplified gives 241/80
- So, 30/15 + 81/80 = 241/80
In mixed form: 31/80
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