Add 21/20 and 9/64
1st number: 1 1/20, 2nd number: 9/64
21/20 + 9/64 is 381/320.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
21/20 = 21 × 16/20 × 16 = 336/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
9/64 = 9 × 5/64 × 5 = 45/320 - Add the two like fractions:
336/320 + 45/320 = 336 + 45/320 = 381/320 - So, 21/20 + 9/64 = 381/320
In mixed form: 161/320
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