Add 70/63 and 12/45
1st number: 1 7/63, 2nd number: 12/45
70/63 + 12/45 is 62/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
12/45 = 12 × 7/45 × 7 = 84/315 - Add the two like fractions:
350/315 + 84/315 = 350 + 84/315 = 434/315 - 434/315 simplified gives 62/45
- So, 70/63 + 12/45 = 62/45
In mixed form: 117/45
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