Add 30/15 and 40/80
1st number: 2 0/15, 2nd number: 40/80
30/15 + 40/80 is 5/2.
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,
40/80 = 40 × 3/80 × 3 = 120/240 - Add the two like fractions:
480/240 + 120/240 = 480 + 120/240 = 600/240 - 600/240 simplified gives 5/2
- So, 30/15 + 40/80 = 5/2
In mixed form: 21/2
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