Add 45/40 and 7/18
1st number: 1 5/40, 2nd number: 7/18
45/40 + 7/18 is 109/72.
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,
7/18 = 7 × 20/18 × 20 = 140/360 - Add the two like fractions:
405/360 + 140/360 = 405 + 140/360 = 545/360 - 545/360 simplified gives 109/72
- So, 45/40 + 7/18 = 109/72
In mixed form: 137/72
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