Add 70/30 and 16/21
1st number: 2 10/30, 2nd number: 16/21
70/30 + 16/21 is 65/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
16/21 = 16 × 10/21 × 10 = 160/210 - Add the two like fractions:
490/210 + 160/210 = 490 + 160/210 = 650/210 - 650/210 simplified gives 65/21
- So, 70/30 + 16/21 = 65/21
In mixed form: 32/21
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