Add 1/21 and 45/32
1st number: 1/21, 2nd number: 1 13/32
1/21 + 45/32 is 977/672.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 21 × 32 = 672,
1/21 = 1 × 32/21 × 32 = 32/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672 - Add the two like fractions:
32/672 + 945/672 = 32 + 945/672 = 977/672 - So, 1/21 + 45/32 = 977/672
In mixed form: 1305/672
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