Add 18/4 and 40/7
1st number: 4 2/4, 2nd number: 5 5/7
18/4 + 40/7 is 143/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 7 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
18/4 = 18 × 7/4 × 7 = 126/28 - Likewise, for the 2nd fraction, since 7 × 4 = 28,
40/7 = 40 × 4/7 × 4 = 160/28 - Add the two like fractions:
126/28 + 160/28 = 126 + 160/28 = 286/28 - 286/28 simplified gives 143/14
- So, 18/4 + 40/7 = 143/14
In mixed form: 103/14
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