Add 63/84 and 90/40
1st number: 63/84, 2nd number: 2 10/40
63/84 + 90/40 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
63/84 = 63 × 10/84 × 10 = 630/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
90/40 = 90 × 21/40 × 21 = 1890/840 - Add the two like fractions:
630/840 + 1890/840 = 630 + 1890/840 = 2520/840 - 2520/840 simplified gives 3/1
- So, 63/84 + 90/40 = 3/1
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