Add 45/4 and 72/40
1st number: 11 1/4, 2nd number: 1 32/40
45/4 + 72/40 is 261/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
45/4 = 45 × 10/4 × 10 = 450/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
72/40 = 72 × 1/40 × 1 = 72/40 - Add the two like fractions:
450/40 + 72/40 = 450 + 72/40 = 522/40 - 522/40 simplified gives 261/20
- So, 45/4 + 72/40 = 261/20
In mixed form: 131/20
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