Add 21/50 and 45/64
21/50 + 45/64 is 1797/1600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 64 is 1600
Next, find the equivalent fraction of both fractional numbers with denominator 1600 - For the 1st fraction, since 50 × 32 = 1600,
21/50 = 21 × 32/50 × 32 = 672/1600 - Likewise, for the 2nd fraction, since 64 × 25 = 1600,
45/64 = 45 × 25/64 × 25 = 1125/1600 - Add the two like fractions:
672/1600 + 1125/1600 = 672 + 1125/1600 = 1797/1600 - So, 21/50 + 45/64 = 1797/1600
In mixed form: 1197/1600
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