Add 90/14 and 45/15
1st number: 6 6/14, 2nd number: 3 0/15
90/14 + 45/15 is 66/7.
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,
90/14 = 90 × 15/14 × 15 = 1350/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
45/15 = 45 × 14/15 × 14 = 630/210 - Add the two like fractions:
1350/210 + 630/210 = 1350 + 630/210 = 1980/210 - 1980/210 simplified gives 66/7
- So, 90/14 + 45/15 = 66/7
In mixed form: 93/7
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