Add 25/21 and 70/10
1st number: 1 4/21, 2nd number: 7 0/10
25/21 + 70/10 is 172/21.
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,
25/21 = 25 × 10/21 × 10 = 250/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
70/10 = 70 × 21/10 × 21 = 1470/210 - Add the two like fractions:
250/210 + 1470/210 = 250 + 1470/210 = 1720/210 - 1720/210 simplified gives 172/21
- So, 25/21 + 70/10 = 172/21
In mixed form: 84/21
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