Add 7/18 and 90/80
1st number: 7/18, 2nd number: 1 10/80
7/18 + 90/80 is 109/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
7/18 = 7 × 40/18 × 40 = 280/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
90/80 = 90 × 9/80 × 9 = 810/720 - Add the two like fractions:
280/720 + 810/720 = 280 + 810/720 = 1090/720 - 1090/720 simplified gives 109/72
- So, 7/18 + 90/80 = 109/72
In mixed form: 137/72
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