Add 16/45 and 72/80
16/45 + 72/80 is 113/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
16/45 = 16 × 16/45 × 16 = 256/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
72/80 = 72 × 9/80 × 9 = 648/720 - Add the two like fractions:
256/720 + 648/720 = 256 + 648/720 = 904/720 - 904/720 simplified gives 113/90
- So, 16/45 + 72/80 = 113/90
In mixed form: 123/90
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