Add 3/90 and 42/49
3/90 + 42/49 is 187/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
3/90 = 3 × 49/90 × 49 = 147/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
42/49 = 42 × 90/49 × 90 = 3780/4410 - Add the two like fractions:
147/4410 + 3780/4410 = 147 + 3780/4410 = 3927/4410 - 3927/4410 simplified gives 187/210
- So, 3/90 + 42/49 = 187/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+42/49 3/90+84/49 3/90+42/98 9/90+42/49 15/90+42/49 21/90+42/49