Add 30/63 and 4/45
30/63 + 4/45 is 178/315.
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,
30/63 = 30 × 5/63 × 5 = 150/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
4/45 = 4 × 7/45 × 7 = 28/315 - Add the two like fractions:
150/315 + 28/315 = 150 + 28/315 = 178/315 - So, 30/63 + 4/45 = 178/315
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