Add 12/15 and 42/64
12/15 + 42/64 is 233/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 15 × 64 = 960,
12/15 = 12 × 64/15 × 64 = 768/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
42/64 = 42 × 15/64 × 15 = 630/960 - Add the two like fractions:
768/960 + 630/960 = 768 + 630/960 = 1398/960 - 1398/960 simplified gives 233/160
- So, 12/15 + 42/64 = 233/160
In mixed form: 173/160
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