Add 54/14 and 70/15
1st number: 3 12/14, 2nd number: 4 10/15
54/14 + 70/15 is 179/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
54/14 = 54 × 15/14 × 15 = 810/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
70/15 = 70 × 14/15 × 14 = 980/210 - Add the two like fractions:
810/210 + 980/210 = 810 + 980/210 = 1790/210 - 1790/210 simplified gives 179/21
- So, 54/14 + 70/15 = 179/21
In mixed form: 811/21
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