Add 12/45 and 4/90
12/45 + 4/90 is 14/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
4/90 = 4 × 1/90 × 1 = 4/90 - Add the two like fractions:
24/90 + 4/90 = 24 + 4/90 = 28/90 - 28/90 simplified gives 14/45
- So, 12/45 + 4/90 = 14/45
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