Add 18/40 and 42/64
18/40 + 42/64 is 177/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 40 × 8 = 320,
18/40 = 18 × 8/40 × 8 = 144/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
42/64 = 42 × 5/64 × 5 = 210/320 - Add the two like fractions:
144/320 + 210/320 = 144 + 210/320 = 354/320 - 354/320 simplified gives 177/160
- So, 18/40 + 42/64 = 177/160
In mixed form: 117/160
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