Add 3/40 and 80/63
1st number: 3/40, 2nd number: 1 17/63
3/40 + 80/63 is 3389/2520.
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,
3/40 = 3 × 63/40 × 63 = 189/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
80/63 = 80 × 40/63 × 40 = 3200/2520 - Add the two like fractions:
189/2520 + 3200/2520 = 189 + 3200/2520 = 3389/2520 - So, 3/40 + 80/63 = 3389/2520
In mixed form: 1869/2520
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