Add 4/90 and 18/75
4/90 + 18/75 is 64/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 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 75 × 6 = 450,
18/75 = 18 × 6/75 × 6 = 108/450 - Add the two like fractions:
20/450 + 108/450 = 20 + 108/450 = 128/450 - 128/450 simplified gives 64/225
- So, 4/90 + 18/75 = 64/225
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