Add 15/90 and 72/14
1st number: 15/90, 2nd number: 5 2/14
15/90 + 72/14 is 223/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
72/14 = 72 × 45/14 × 45 = 3240/630 - Add the two like fractions:
105/630 + 3240/630 = 105 + 3240/630 = 3345/630 - 3345/630 simplified gives 223/42
- So, 15/90 + 72/14 = 223/42
In mixed form: 513/42
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