Add 1/40 and 54/63
1/40 + 54/63 is 247/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 40 × 63 = 2520,
1/40 = 1 × 63/40 × 63 = 63/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
54/63 = 54 × 40/63 × 40 = 2160/2520 - Add the two like fractions:
63/2520 + 2160/2520 = 63 + 2160/2520 = 2223/2520 - 2223/2520 simplified gives 247/280
- So, 1/40 + 54/63 = 247/280
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