Add 28/63 and 70/45
1st number: 28/63, 2nd number: 1 25/45
28/63 + 70/45 is 2/1.
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,
28/63 = 28 × 5/63 × 5 = 140/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315 - Add the two like fractions:
140/315 + 490/315 = 140 + 490/315 = 630/315 - 630/315 simplified gives 2/1
- So, 28/63 + 70/45 = 2/1
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