Add 80/40 and 15/63
1st number: 2 0/40, 2nd number: 15/63
80/40 + 15/63 is 47/21.
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,
80/40 = 80 × 63/40 × 63 = 5040/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
15/63 = 15 × 40/63 × 40 = 600/2520 - Add the two like fractions:
5040/2520 + 600/2520 = 5040 + 600/2520 = 5640/2520 - 5640/2520 simplified gives 47/21
- So, 80/40 + 15/63 = 47/21
In mixed form: 25/21
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