Add 45/40 and 1/18
1st number: 1 5/40, 2nd number: 1/18
45/40 + 1/18 is 85/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
45/40 = 45 × 9/40 × 9 = 405/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
1/18 = 1 × 20/18 × 20 = 20/360 - Add the two like fractions:
405/360 + 20/360 = 405 + 20/360 = 425/360 - 425/360 simplified gives 85/72
- So, 45/40 + 1/18 = 85/72
In mixed form: 113/72
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