Add 25/42 and 9/90
25/42 + 9/90 is 73/105.
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,
25/42 = 25 × 15/42 × 15 = 375/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Add the two like fractions:
375/630 + 63/630 = 375 + 63/630 = 438/630 - 438/630 simplified gives 73/105
- So, 25/42 + 9/90 = 73/105
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