Add 70/45 and 18/90
1st number: 1 25/45, 2nd number: 18/90
70/45 + 18/90 is 79/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
18/90 = 18 × 1/90 × 1 = 18/90 - Add the two like fractions:
140/90 + 18/90 = 140 + 18/90 = 158/90 - 158/90 simplified gives 79/45
- So, 70/45 + 18/90 = 79/45
In mixed form: 134/45
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