Add 21/84 and 45/32
1st number: 21/84, 2nd number: 1 13/32
21/84 + 45/32 is 53/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 84 × 8 = 672,
21/84 = 21 × 8/84 × 8 = 168/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672 - Add the two like fractions:
168/672 + 945/672 = 168 + 945/672 = 1113/672 - 1113/672 simplified gives 53/32
- So, 21/84 + 45/32 = 53/32
In mixed form: 121/32
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