Add 24/45 and 4/21
24/45 + 4/21 is 76/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
24/45 = 24 × 7/45 × 7 = 168/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
4/21 = 4 × 15/21 × 15 = 60/315 - Add the two like fractions:
168/315 + 60/315 = 168 + 60/315 = 228/315 - 228/315 simplified gives 76/105
- So, 24/45 + 4/21 = 76/105
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