Add 28/32 and 15/40
28/32 + 15/40 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
28/32 = 28 × 5/32 × 5 = 140/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
15/40 = 15 × 4/40 × 4 = 60/160 - Add the two like fractions:
140/160 + 60/160 = 140 + 60/160 = 200/160 - 200/160 simplified gives 5/4
- So, 28/32 + 15/40 = 5/4
In mixed form: 11/4
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