Add 90/72 and 72/60
1st number: 1 18/72, 2nd number: 1 12/60
90/72 + 72/60 is 49/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 60 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Likewise, for the 2nd fraction, since 60 × 6 = 360,
72/60 = 72 × 6/60 × 6 = 432/360 - Add the two like fractions:
450/360 + 432/360 = 450 + 432/360 = 882/360 - 882/360 simplified gives 49/20
- So, 90/72 + 72/60 = 49/20
In mixed form: 29/20
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