Add 12/7 and 15/10
1st number: 1 5/7, 2nd number: 1 5/10
12/7 + 15/10 is 45/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
12/7 = 12 × 10/7 × 10 = 120/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70 - Add the two like fractions:
120/70 + 105/70 = 120 + 105/70 = 225/70 - 225/70 simplified gives 45/14
- So, 12/7 + 15/10 = 45/14
In mixed form: 33/14
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