Add 50/40 and 90/72
1st number: 1 10/40, 2nd number: 1 18/72
50/40 + 90/72 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
50/40 = 50 × 9/40 × 9 = 450/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Add the two like fractions:
450/360 + 450/360 = 450 + 450/360 = 900/360 - 900/360 simplified gives 5/2
- So, 50/40 + 90/72 = 5/2
In mixed form: 21/2
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