Add 70/30 and 63/45
1st number: 2 10/30, 2nd number: 1 18/45
70/30 + 63/45 is 56/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
63/45 = 63 × 2/45 × 2 = 126/90 - Add the two like fractions:
210/90 + 126/90 = 210 + 126/90 = 336/90 - 336/90 simplified gives 56/15
- So, 70/30 + 63/45 = 56/15
In mixed form: 311/15
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