Add 64/10 and 70/42
1st number: 6 4/10, 2nd number: 1 28/42
64/10 + 70/42 is 121/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
64/10 = 64 × 21/10 × 21 = 1344/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Add the two like fractions:
1344/210 + 350/210 = 1344 + 350/210 = 1694/210 - 1694/210 simplified gives 121/15
- So, 64/10 + 70/42 = 121/15
In mixed form: 81/15
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