Add 10/80 and 20/18
1st number: 10/80, 2nd number: 1 2/18
10/80 + 20/18 is 89/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
10/80 = 10 × 9/80 × 9 = 90/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
20/18 = 20 × 40/18 × 40 = 800/720 - Add the two like fractions:
90/720 + 800/720 = 90 + 800/720 = 890/720 - 890/720 simplified gives 89/72
- So, 10/80 + 20/18 = 89/72
In mixed form: 117/72
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