Add 60/15 and 90/72
1st number: 4 0/15, 2nd number: 1 18/72
60/15 + 90/72 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
60/15 = 60 × 24/15 × 24 = 1440/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Add the two like fractions:
1440/360 + 450/360 = 1440 + 450/360 = 1890/360 - 1890/360 simplified gives 21/4
- So, 60/15 + 90/72 = 21/4
In mixed form: 51/4
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