Add 24/42 and 12/90
24/42 + 12/90 is 74/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
24/42 = 24 × 15/42 × 15 = 360/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Add the two like fractions:
360/630 + 84/630 = 360 + 84/630 = 444/630 - 444/630 simplified gives 74/105
- So, 24/42 + 12/90 = 74/105
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