Add 90/15 and 63/14
1st number: 6 0/15, 2nd number: 4 7/14
90/15 + 63/14 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
90/15 = 90 × 14/15 × 14 = 1260/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
63/14 = 63 × 15/14 × 15 = 945/210 - Add the two like fractions:
1260/210 + 945/210 = 1260 + 945/210 = 2205/210 - 2205/210 simplified gives 21/2
- So, 90/15 + 63/14 = 21/2
In mixed form: 101/2
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