Add 18/72 and 72/10
1st number: 18/72, 2nd number: 7 2/10
18/72 + 72/10 is 149/20.
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,
72/10 = 72 × 36/10 × 36 = 2592/360 - Add the two like fractions:
90/360 + 2592/360 = 90 + 2592/360 = 2682/360 - 2682/360 simplified gives 149/20
- So, 18/72 + 72/10 = 149/20
In mixed form: 79/20
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