Add 18/56 and 30/40
18/56 + 30/40 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
18/56 = 18 × 5/56 × 5 = 90/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
30/40 = 30 × 7/40 × 7 = 210/280 - Add the two like fractions:
90/280 + 210/280 = 90 + 210/280 = 300/280 - 300/280 simplified gives 15/14
- So, 18/56 + 30/40 = 15/14
In mixed form: 11/14
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