Add 72/18 and 45/28
1st number: 4 0/18, 2nd number: 1 17/28
72/18 + 45/28 is 157/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
72/18 = 72 × 14/18 × 14 = 1008/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Add the two like fractions:
1008/252 + 405/252 = 1008 + 405/252 = 1413/252 - 1413/252 simplified gives 157/28
- So, 72/18 + 45/28 = 157/28
In mixed form: 517/28
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