Add 81/8 and 45/40
1st number: 10 1/8, 2nd number: 1 5/40
81/8 + 45/40 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
81/8 = 81 × 5/8 × 5 = 405/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
45/40 = 45 × 1/40 × 1 = 45/40 - Add the two like fractions:
405/40 + 45/40 = 405 + 45/40 = 450/40 - 450/40 simplified gives 45/4
- So, 81/8 + 45/40 = 45/4
In mixed form: 111/4
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