Add 72/14 and 40/90
1st number: 5 2/14, 2nd number: 40/90
72/14 + 40/90 is 352/63.
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,
72/14 = 72 × 45/14 × 45 = 3240/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
40/90 = 40 × 7/90 × 7 = 280/630 - Add the two like fractions:
3240/630 + 280/630 = 3240 + 280/630 = 3520/630 - 3520/630 simplified gives 352/63
- So, 72/14 + 40/90 = 352/63
In mixed form: 537/63
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