Add 12/90 and 3/45
12/90 + 3/45 is 1/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
3/45 = 3 × 2/45 × 2 = 6/90 - Add the two like fractions:
12/90 + 6/90 = 12 + 6/90 = 18/90 - 18/90 simplified gives 1/5
- So, 12/90 + 3/45 = 1/5
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