Add 2/63 and 42/90
2/63 + 42/90 is 157/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
2/63 = 2 × 10/63 × 10 = 20/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
42/90 = 42 × 7/90 × 7 = 294/630 - Add the two like fractions:
20/630 + 294/630 = 20 + 294/630 = 314/630 - 314/630 simplified gives 157/315
- So, 2/63 + 42/90 = 157/315
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