Add 40/5 and 7/28
1st number: 8 0/5, 2nd number: 7/28
40/5 + 7/28 is 33/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 5 × 28 = 140,
40/5 = 40 × 28/5 × 28 = 1120/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
7/28 = 7 × 5/28 × 5 = 35/140 - Add the two like fractions:
1120/140 + 35/140 = 1120 + 35/140 = 1155/140 - 1155/140 simplified gives 33/4
- So, 40/5 + 7/28 = 33/4
In mixed form: 81/4
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