Add 7/9 and 40/80
7/9 + 40/80 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
7/9 = 7 × 80/9 × 80 = 560/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
40/80 = 40 × 9/80 × 9 = 360/720 - Add the two like fractions:
560/720 + 360/720 = 560 + 360/720 = 920/720 - 920/720 simplified gives 23/18
- So, 7/9 + 40/80 = 23/18
In mixed form: 15/18
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