Add 80/8 and 90/45
1st number: 10 0/8, 2nd number: 2 0/45
80/8 + 90/45 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
80/8 = 80 × 45/8 × 45 = 3600/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
90/45 = 90 × 8/45 × 8 = 720/360 - Add the two like fractions:
3600/360 + 720/360 = 3600 + 720/360 = 4320/360 - 4320/360 simplified gives 12/1
- So, 80/8 + 90/45 = 12/1
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