Add 42/90 and 1/75
42/90 + 1/75 is 12/25.
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,
42/90 = 42 × 5/90 × 5 = 210/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
1/75 = 1 × 6/75 × 6 = 6/450 - Add the two like fractions:
210/450 + 6/450 = 210 + 6/450 = 216/450 - 216/450 simplified gives 12/25
- So, 42/90 + 1/75 = 12/25
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