Add 4/40 and 42/64
4/40 + 42/64 is 121/160.
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,
4/40 = 4 × 8/40 × 8 = 32/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
42/64 = 42 × 5/64 × 5 = 210/320 - Add the two like fractions:
32/320 + 210/320 = 32 + 210/320 = 242/320 - 242/320 simplified gives 121/160
- So, 4/40 + 42/64 = 121/160
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