Add 45/70 and 12/15
45/70 + 12/15 is 101/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
45/70 = 45 × 3/70 × 3 = 135/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
12/15 = 12 × 14/15 × 14 = 168/210 - Add the two like fractions:
135/210 + 168/210 = 135 + 168/210 = 303/210 - 303/210 simplified gives 101/70
- So, 45/70 + 12/15 = 101/70
In mixed form: 131/70
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