Add 42/45 and 2/84
42/45 + 2/84 is 67/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
42/45 = 42 × 28/45 × 28 = 1176/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
2/84 = 2 × 15/84 × 15 = 30/1260 - Add the two like fractions:
1176/1260 + 30/1260 = 1176 + 30/1260 = 1206/1260 - 1206/1260 simplified gives 67/70
- So, 42/45 + 2/84 = 67/70
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