Add 28/40 and 36/63
28/40 + 36/63 is 89/70.
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,
28/40 = 28 × 63/40 × 63 = 1764/2520 - Likewise, for the 2nd fraction, since 63 × 40 = 2520,
36/63 = 36 × 40/63 × 40 = 1440/2520 - Add the two like fractions:
1764/2520 + 1440/2520 = 1764 + 1440/2520 = 3204/2520 - 3204/2520 simplified gives 89/70
- So, 28/40 + 36/63 = 89/70
In mixed form: 119/70
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