Add 45/80 and 54/45
1st number: 45/80, 2nd number: 1 9/45
45/80 + 54/45 is 141/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
54/45 = 54 × 16/45 × 16 = 864/720 - Add the two like fractions:
405/720 + 864/720 = 405 + 864/720 = 1269/720 - 1269/720 simplified gives 141/80
- So, 45/80 + 54/45 = 141/80
In mixed form: 161/80
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