Add 72/28 and 45/5
1st number: 2 16/28, 2nd number: 9 0/5
72/28 + 45/5 is 81/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
72/28 = 72 × 5/28 × 5 = 360/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
45/5 = 45 × 28/5 × 28 = 1260/140 - Add the two like fractions:
360/140 + 1260/140 = 360 + 1260/140 = 1620/140 - 1620/140 simplified gives 81/7
- So, 72/28 + 45/5 = 81/7
In mixed form: 114/7
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