Add 60/40 and 45/81
1st number: 1 20/40, 2nd number: 45/81
60/40 + 45/81 is 37/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 40 × 81 = 3240,
60/40 = 60 × 81/40 × 81 = 4860/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
45/81 = 45 × 40/81 × 40 = 1800/3240 - Add the two like fractions:
4860/3240 + 1800/3240 = 4860 + 1800/3240 = 6660/3240 - 6660/3240 simplified gives 37/18
- So, 60/40 + 45/81 = 37/18
In mixed form: 21/18
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