Add 40/18 and 90/28
1st number: 2 4/18, 2nd number: 3 6/28
40/18 + 90/28 is 685/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
40/18 = 40 × 14/18 × 14 = 560/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Add the two like fractions:
560/252 + 810/252 = 560 + 810/252 = 1370/252 - 1370/252 simplified gives 685/126
- So, 40/18 + 90/28 = 685/126
In mixed form: 555/126
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