Add 30/40 and 12/56
30/40 + 12/56 is 27/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
30/40 = 30 × 7/40 × 7 = 210/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
12/56 = 12 × 5/56 × 5 = 60/280 - Add the two like fractions:
210/280 + 60/280 = 210 + 60/280 = 270/280 - 270/280 simplified gives 27/28
- So, 30/40 + 12/56 = 27/28
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