Add 72/20 and 21/96
1st number: 3 12/20, 2nd number: 21/96
72/20 + 21/96 is 611/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 20 × 24 = 480,
72/20 = 72 × 24/20 × 24 = 1728/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
21/96 = 21 × 5/96 × 5 = 105/480 - Add the two like fractions:
1728/480 + 105/480 = 1728 + 105/480 = 1833/480 - 1833/480 simplified gives 611/160
- So, 72/20 + 21/96 = 611/160
In mixed form: 3131/160
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