Add 5/72 and 90/45
1st number: 5/72, 2nd number: 2 0/45
5/72 + 90/45 is 149/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
90/45 = 90 × 8/45 × 8 = 720/360 - Add the two like fractions:
25/360 + 720/360 = 25 + 720/360 = 745/360 - 745/360 simplified gives 149/72
- So, 5/72 + 90/45 = 149/72
In mixed form: 25/72
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