Add 45/80 and 15/8
1st number: 45/80, 2nd number: 1 7/8
45/80 + 15/8 is 39/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
15/8 = 15 × 10/8 × 10 = 150/80 - Add the two like fractions:
45/80 + 150/80 = 45 + 150/80 = 195/80 - 195/80 simplified gives 39/16
- So, 45/80 + 15/8 = 39/16
In mixed form: 27/16
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