Add 70/6 and 21/90
1st number: 11 4/6, 2nd number: 21/90
70/6 + 21/90 is 119/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
70/6 = 70 × 15/6 × 15 = 1050/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Add the two like fractions:
1050/90 + 21/90 = 1050 + 21/90 = 1071/90 - 1071/90 simplified gives 119/10
- So, 70/6 + 21/90 = 119/10
In mixed form: 119/10
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