Add 18/14 and 72/90
1st number: 1 4/14, 2nd number: 72/90
18/14 + 72/90 is 73/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
18/14 = 18 × 45/14 × 45 = 810/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Add the two like fractions:
810/630 + 504/630 = 810 + 504/630 = 1314/630 - 1314/630 simplified gives 73/35
- So, 18/14 + 72/90 = 73/35
In mixed form: 23/35
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