Add 45/8 and 20/72
1st number: 5 5/8, 2nd number: 20/72
45/8 + 20/72 is 425/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
45/8 = 45 × 9/8 × 9 = 405/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Add the two like fractions:
405/72 + 20/72 = 405 + 20/72 = 425/72 - So, 45/8 + 20/72 = 425/72
In mixed form: 565/72
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