Add 45/64 and 70/42
1st number: 45/64, 2nd number: 1 28/42
45/64 + 70/42 is 455/192.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 42 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 64 × 21 = 1344,
45/64 = 45 × 21/64 × 21 = 945/1344 - Likewise, for the 2nd fraction, since 42 × 32 = 1344,
70/42 = 70 × 32/42 × 32 = 2240/1344 - Add the two like fractions:
945/1344 + 2240/1344 = 945 + 2240/1344 = 3185/1344 - 3185/1344 simplified gives 455/192
- So, 45/64 + 70/42 = 455/192
In mixed form: 271/192
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