Add 28/32 and 7/40
28/32 + 7/40 is 21/20.
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,
7/40 = 7 × 4/40 × 4 = 28/160 - Add the two like fractions:
140/160 + 28/160 = 140 + 28/160 = 168/160 - 168/160 simplified gives 21/20
- So, 28/32 + 7/40 = 21/20
In mixed form: 11/20
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