Add 12/40 and 30/54
12/40 + 30/54 is 77/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 54 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
12/40 = 12 × 27/40 × 27 = 324/1080 - Likewise, for the 2nd fraction, since 54 × 20 = 1080,
30/54 = 30 × 20/54 × 20 = 600/1080 - Add the two like fractions:
324/1080 + 600/1080 = 324 + 600/1080 = 924/1080 - 924/1080 simplified gives 77/90
- So, 12/40 + 30/54 = 77/90
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