Add 8/20 and 42/64
8/20 + 42/64 is 169/160.
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,
8/20 = 8 × 16/20 × 16 = 128/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
42/64 = 42 × 5/64 × 5 = 210/320 - Add the two like fractions:
128/320 + 210/320 = 128 + 210/320 = 338/320 - 338/320 simplified gives 169/160
- So, 8/20 + 42/64 = 169/160
In mixed form: 19/160
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