Add 63/40 and 81/18
1st number: 1 23/40, 2nd number: 4 9/18
63/40 + 81/18 is 243/40.
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,
63/40 = 63 × 9/40 × 9 = 567/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
81/18 = 81 × 20/18 × 20 = 1620/360 - Add the two like fractions:
567/360 + 1620/360 = 567 + 1620/360 = 2187/360 - 2187/360 simplified gives 243/40
- So, 63/40 + 81/18 = 243/40
In mixed form: 63/40
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