Add 12/40 and 84/64
1st number: 12/40, 2nd number: 1 20/64
12/40 + 84/64 is 129/80.
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,
12/40 = 12 × 8/40 × 8 = 96/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
84/64 = 84 × 5/64 × 5 = 420/320 - Add the two like fractions:
96/320 + 420/320 = 96 + 420/320 = 516/320 - 516/320 simplified gives 129/80
- So, 12/40 + 84/64 = 129/80
In mixed form: 149/80
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