Add 45/18 and 63/40
1st number: 2 9/18, 2nd number: 1 23/40
45/18 + 63/40 is 163/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
45/18 = 45 × 20/18 × 20 = 900/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
63/40 = 63 × 9/40 × 9 = 567/360 - Add the two like fractions:
900/360 + 567/360 = 900 + 567/360 = 1467/360 - 1467/360 simplified gives 163/40
- So, 45/18 + 63/40 = 163/40
In mixed form: 43/40
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