Add 20/5 and 21/32
1st number: 4 0/5, 2nd number: 21/32
20/5 + 21/32 is 149/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 5 × 32 = 160,
20/5 = 20 × 32/5 × 32 = 640/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
21/32 = 21 × 5/32 × 5 = 105/160 - Add the two like fractions:
640/160 + 105/160 = 640 + 105/160 = 745/160 - 745/160 simplified gives 149/32
- So, 20/5 + 21/32 = 149/32
In mixed form: 421/32
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