Add 70/14 and 90/15
1st number: 5 0/14, 2nd number: 6 0/15
70/14 + 90/15 is 11/1.
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,
70/14 = 70 × 15/14 × 15 = 1050/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
90/15 = 90 × 14/15 × 14 = 1260/210 - Add the two like fractions:
1050/210 + 1260/210 = 1050 + 1260/210 = 2310/210 - 2310/210 simplified gives 11/1
- So, 70/14 + 90/15 = 11/1
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