Add 9/10 and 21/14
1st number: 9/10, 2nd number: 1 7/14
9/10 + 21/14 is 12/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
9/10 = 9 × 7/10 × 7 = 63/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70 - Add the two like fractions:
63/70 + 105/70 = 63 + 105/70 = 168/70 - 168/70 simplified gives 12/5
- So, 9/10 + 21/14 = 12/5
In mixed form: 22/5
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