Add 42/90 and 12/54
42/90 + 12/54 is 31/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
42/90 = 42 × 3/90 × 3 = 126/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Add the two like fractions:
126/270 + 60/270 = 126 + 60/270 = 186/270 - 186/270 simplified gives 31/45
- So, 42/90 + 12/54 = 31/45
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