Add 90/18 and 40/56
1st number: 5 0/18, 2nd number: 40/56
90/18 + 40/56 is 40/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
90/18 = 90 × 28/18 × 28 = 2520/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
40/56 = 40 × 9/56 × 9 = 360/504 - Add the two like fractions:
2520/504 + 360/504 = 2520 + 360/504 = 2880/504 - 2880/504 simplified gives 40/7
- So, 90/18 + 40/56 = 40/7
In mixed form: 55/7
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