Add 70/45 and 20/63
1st number: 1 25/45, 2nd number: 20/63
70/45 + 20/63 is 118/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Add the two like fractions:
490/315 + 100/315 = 490 + 100/315 = 590/315 - 590/315 simplified gives 118/63
- So, 70/45 + 20/63 = 118/63
In mixed form: 155/63
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