Add 70/45 and 15/10
1st number: 1 25/45, 2nd number: 1 5/10
70/45 + 15/10 is 55/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 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 10 × 9 = 90,
15/10 = 15 × 9/10 × 9 = 135/90 - Add the two like fractions:
140/90 + 135/90 = 140 + 135/90 = 275/90 - 275/90 simplified gives 55/18
- So, 70/45 + 15/10 = 55/18
In mixed form: 31/18
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