Add 5/21 and 70/10
1st number: 5/21, 2nd number: 7 0/10
5/21 + 70/10 is 152/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
5/21 = 5 × 10/21 × 10 = 50/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
70/10 = 70 × 21/10 × 21 = 1470/210 - Add the two like fractions:
50/210 + 1470/210 = 50 + 1470/210 = 1520/210 - 1520/210 simplified gives 152/21
- So, 5/21 + 70/10 = 152/21
In mixed form: 75/21
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