Add 45/15 and 18/80
1st number: 3 0/15, 2nd number: 18/80
45/15 + 18/80 is 129/40.
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,
45/15 = 45 × 16/15 × 16 = 720/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
18/80 = 18 × 3/80 × 3 = 54/240 - Add the two like fractions:
720/240 + 54/240 = 720 + 54/240 = 774/240 - 774/240 simplified gives 129/40
- So, 45/15 + 18/80 = 129/40
In mixed form: 39/40
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