Add 40/80 and 70/18
1st number: 40/80, 2nd number: 3 16/18
40/80 + 70/18 is 79/18.
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,
40/80 = 40 × 9/80 × 9 = 360/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
70/18 = 70 × 40/18 × 40 = 2800/720 - Add the two like fractions:
360/720 + 2800/720 = 360 + 2800/720 = 3160/720 - 3160/720 simplified gives 79/18
- So, 40/80 + 70/18 = 79/18
In mixed form: 47/18
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