Add 90/72 and 3/5
1st number: 1 18/72, 2nd number: 3/5
90/72 + 3/5 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 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 5 × 72 = 360,
3/5 = 3 × 72/5 × 72 = 216/360 - Add the two like fractions:
450/360 + 216/360 = 450 + 216/360 = 666/360 - 666/360 simplified gives 37/20
- So, 90/72 + 3/5 = 37/20
In mixed form: 117/20
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