Add 72/48 and 28/21
1st number: 1 24/48, 2nd number: 1 7/21
72/48 + 28/21 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
72/48 = 72 × 7/48 × 7 = 504/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
28/21 = 28 × 16/21 × 16 = 448/336 - Add the two like fractions:
504/336 + 448/336 = 504 + 448/336 = 952/336 - 952/336 simplified gives 17/6
- So, 72/48 + 28/21 = 17/6
In mixed form: 25/6
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