Add 80/16 and 90/45
1st number: 5 0/16, 2nd number: 2 0/45
80/16 + 90/45 is 7/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
80/16 = 80 × 45/16 × 45 = 3600/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
90/45 = 90 × 16/45 × 16 = 1440/720 - Add the two like fractions:
3600/720 + 1440/720 = 3600 + 1440/720 = 5040/720 - 5040/720 simplified gives 7/1
- So, 80/16 + 90/45 = 7/1
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