Add 84/63 and 45/40
1st number: 1 21/63, 2nd number: 1 5/40
84/63 + 45/40 is 59/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
84/63 = 84 × 40/63 × 40 = 3360/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
45/40 = 45 × 63/40 × 63 = 2835/2520 - Add the two like fractions:
3360/2520 + 2835/2520 = 3360 + 2835/2520 = 6195/2520 - 6195/2520 simplified gives 59/24
- So, 84/63 + 45/40 = 59/24
In mixed form: 211/24
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