Add 90/5 and 28/72
1st number: 18 0/5, 2nd number: 28/72
90/5 + 28/72 is 331/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
90/5 = 90 × 72/5 × 72 = 6480/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
28/72 = 28 × 5/72 × 5 = 140/360 - Add the two like fractions:
6480/360 + 140/360 = 6480 + 140/360 = 6620/360 - 6620/360 simplified gives 331/18
- So, 90/5 + 28/72 = 331/18
In mixed form: 187/18
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