Add 21/32 and 20/40
21/32 + 20/40 is 37/32.
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,
21/32 = 21 × 5/32 × 5 = 105/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
20/40 = 20 × 4/40 × 4 = 80/160 - Add the two like fractions:
105/160 + 80/160 = 105 + 80/160 = 185/160 - 185/160 simplified gives 37/32
- So, 21/32 + 20/40 = 37/32
In mixed form: 15/32
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