Add 20/40 and 49/63
20/40 + 49/63 is 23/18.
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,
20/40 = 20 × 63/40 × 63 = 1260/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
49/63 = 49 × 40/63 × 40 = 1960/2520 - Add the two like fractions:
1260/2520 + 1960/2520 = 1260 + 1960/2520 = 3220/2520 - 3220/2520 simplified gives 23/18
- So, 20/40 + 49/63 = 23/18
In mixed form: 15/18
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