Add 70/63 and 5/45
1st number: 1 7/63, 2nd number: 5/45
70/63 + 5/45 is 11/9.
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,
5/45 = 5 × 7/45 × 7 = 35/315 - Add the two like fractions:
350/315 + 35/315 = 350 + 35/315 = 385/315 - 385/315 simplified gives 11/9
- So, 70/63 + 5/45 = 11/9
In mixed form: 12/9
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