Add 4/90 and 45/50
4/90 + 45/50 is 17/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
4/90 = 4 × 5/90 × 5 = 20/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
45/50 = 45 × 9/50 × 9 = 405/450 - Add the two like fractions:
20/450 + 405/450 = 20 + 405/450 = 425/450 - 425/450 simplified gives 17/18
- So, 4/90 + 45/50 = 17/18
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