Add 45/8 and 40/18
1st number: 5 5/8, 2nd number: 2 4/18
45/8 + 40/18 is 565/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
45/8 = 45 × 9/8 × 9 = 405/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
40/18 = 40 × 4/18 × 4 = 160/72 - Add the two like fractions:
405/72 + 160/72 = 405 + 160/72 = 565/72 - So, 45/8 + 40/18 = 565/72
In mixed form: 761/72
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