Add 15/40 and 30/32
15/40 + 30/32 is 21/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 40 × 4 = 160,
15/40 = 15 × 4/40 × 4 = 60/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
30/32 = 30 × 5/32 × 5 = 150/160 - Add the two like fractions:
60/160 + 150/160 = 60 + 150/160 = 210/160 - 210/160 simplified gives 21/16
- So, 15/40 + 30/32 = 21/16
In mixed form: 15/16
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