Add 72/90 and 10/45
72/90 + 10/45 is 46/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
72/90 = 72 × 1/90 × 1 = 72/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
10/45 = 10 × 2/45 × 2 = 20/90 - Add the two like fractions:
72/90 + 20/90 = 72 + 20/90 = 92/90 - 92/90 simplified gives 46/45
- So, 72/90 + 10/45 = 46/45
In mixed form: 11/45
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