Add 72/14 and 90/45
1st number: 5 2/14, 2nd number: 2 0/45
72/14 + 90/45 is 50/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
72/14 = 72 × 45/14 × 45 = 3240/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
90/45 = 90 × 14/45 × 14 = 1260/630 - Add the two like fractions:
3240/630 + 1260/630 = 3240 + 1260/630 = 4500/630 - 4500/630 simplified gives 50/7
- So, 72/14 + 90/45 = 50/7
In mixed form: 71/7
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