Add 40/56 and 42/18
1st number: 40/56, 2nd number: 2 6/18
40/56 + 42/18 is 64/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
40/56 = 40 × 9/56 × 9 = 360/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
42/18 = 42 × 28/18 × 28 = 1176/504 - Add the two like fractions:
360/504 + 1176/504 = 360 + 1176/504 = 1536/504 - 1536/504 simplified gives 64/21
- So, 40/56 + 42/18 = 64/21
In mixed form: 31/21
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