Add 70/10 and 64/21
1st number: 7 0/10, 2nd number: 3 1/21
70/10 + 64/21 is 211/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
70/10 = 70 × 21/10 × 21 = 1470/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
64/21 = 64 × 10/21 × 10 = 640/210 - Add the two like fractions:
1470/210 + 640/210 = 1470 + 640/210 = 2110/210 - 2110/210 simplified gives 211/21
- So, 70/10 + 64/21 = 211/21
In mixed form: 101/21
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