Add 7/90 and 21/18
1st number: 7/90, 2nd number: 1 3/18
7/90 + 21/18 is 56/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
21/18 = 21 × 5/18 × 5 = 105/90 - Add the two like fractions:
7/90 + 105/90 = 7 + 105/90 = 112/90 - 112/90 simplified gives 56/45
- So, 7/90 + 21/18 = 56/45
In mixed form: 111/45
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