Add 18/7 and 40/80
1st number: 2 4/7, 2nd number: 40/80
18/7 + 40/80 is 43/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
18/7 = 18 × 80/7 × 80 = 1440/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
40/80 = 40 × 7/80 × 7 = 280/560 - Add the two like fractions:
1440/560 + 280/560 = 1440 + 280/560 = 1720/560 - 1720/560 simplified gives 43/14
- So, 18/7 + 40/80 = 43/14
In mixed form: 31/14
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