Add 64/5 and 21/49
1st number: 12 4/5, 2nd number: 21/49
64/5 + 21/49 is 463/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 49 is 245
Next, find the equivalent fraction of both fractional numbers with denominator 245 - For the 1st fraction, since 5 × 49 = 245,
64/5 = 64 × 49/5 × 49 = 3136/245 - Likewise, for the 2nd fraction, since 49 × 5 = 245,
21/49 = 21 × 5/49 × 5 = 105/245 - Add the two like fractions:
3136/245 + 105/245 = 3136 + 105/245 = 3241/245 - 3241/245 simplified gives 463/35
- So, 64/5 + 21/49 = 463/35
In mixed form: 138/35
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