Add 4/10 and 70/21
1st number: 4/10, 2nd number: 3 7/21
4/10 + 70/21 is 56/15.
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,
4/10 = 4 × 21/10 × 21 = 84/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
70/21 = 70 × 10/21 × 10 = 700/210 - Add the two like fractions:
84/210 + 700/210 = 84 + 700/210 = 784/210 - 784/210 simplified gives 56/15
- So, 4/10 + 70/21 = 56/15
In mixed form: 311/15
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