Add 84/40 and 45/63
1st number: 2 4/40, 2nd number: 45/63
84/40 + 45/63 is 197/70.
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,
84/40 = 84 × 63/40 × 63 = 5292/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
45/63 = 45 × 40/63 × 40 = 1800/2520 - Add the two like fractions:
5292/2520 + 1800/2520 = 5292 + 1800/2520 = 7092/2520 - 7092/2520 simplified gives 197/70
- So, 84/40 + 45/63 = 197/70
In mixed form: 257/70
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