Add 18/72 and 28/10
1st number: 18/72, 2nd number: 2 8/10
18/72 + 28/10 is 61/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
28/10 = 28 × 36/10 × 36 = 1008/360 - Add the two like fractions:
90/360 + 1008/360 = 90 + 1008/360 = 1098/360 - 1098/360 simplified gives 61/20
- So, 18/72 + 28/10 = 61/20
In mixed form: 31/20
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