Add 50/21 and 80/45
1st number: 2 8/21, 2nd number: 1 35/45
50/21 + 80/45 is 262/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
50/21 = 50 × 15/21 × 15 = 750/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
80/45 = 80 × 7/45 × 7 = 560/315 - Add the two like fractions:
750/315 + 560/315 = 750 + 560/315 = 1310/315 - 1310/315 simplified gives 262/63
- So, 50/21 + 80/45 = 262/63
In mixed form: 410/63
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