Add 4/40 and 54/63
4/40 + 54/63 is 67/70.
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,
4/40 = 4 × 63/40 × 63 = 252/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
54/63 = 54 × 40/63 × 40 = 2160/2520 - Add the two like fractions:
252/2520 + 2160/2520 = 252 + 2160/2520 = 2412/2520 - 2412/2520 simplified gives 67/70
- So, 4/40 + 54/63 = 67/70
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