Add 45/16 and 75/20
1st number: 2 13/16, 2nd number: 3 15/20
45/16 + 75/20 is 105/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
45/16 = 45 × 5/16 × 5 = 225/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
75/20 = 75 × 4/20 × 4 = 300/80 - Add the two like fractions:
225/80 + 300/80 = 225 + 300/80 = 525/80 - 525/80 simplified gives 105/16
- So, 45/16 + 75/20 = 105/16
In mixed form: 69/16
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