Add 9/10 and 12/70
9/10 + 12/70 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 70 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 70 × 1 = 70,
12/70 = 12 × 1/70 × 1 = 12/70 - Add the two like fractions:
63/70 + 12/70 = 63 + 12/70 = 75/70 - 75/70 simplified gives 15/14
- So, 9/10 + 12/70 = 15/14
In mixed form: 11/14
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