Add 81/4 and 63/20
1st number: 20 1/4, 2nd number: 3 3/20
81/4 + 63/20 is 117/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
81/4 = 81 × 5/4 × 5 = 405/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
63/20 = 63 × 1/20 × 1 = 63/20 - Add the two like fractions:
405/20 + 63/20 = 405 + 63/20 = 468/20 - 468/20 simplified gives 117/5
- So, 81/4 + 63/20 = 117/5
In mixed form: 232/5
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