Add 21/70 and 18/6
1st number: 21/70, 2nd number: 3 0/6
21/70 + 18/6 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
18/6 = 18 × 35/6 × 35 = 630/210 - Add the two like fractions:
63/210 + 630/210 = 63 + 630/210 = 693/210 - 693/210 simplified gives 33/10
- So, 21/70 + 18/6 = 33/10
In mixed form: 33/10
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