Add 72/18 and 7/10
1st number: 4 0/18, 2nd number: 7/10
72/18 + 7/10 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
72/18 = 72 × 5/18 × 5 = 360/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Add the two like fractions:
360/90 + 63/90 = 360 + 63/90 = 423/90 - 423/90 simplified gives 47/10
- So, 72/18 + 7/10 = 47/10
In mixed form: 47/10
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