Add 21/4 and 4/35
1st number: 5 1/4, 2nd number: 4/35
21/4 + 4/35 is 751/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
21/4 = 21 × 35/4 × 35 = 735/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
4/35 = 4 × 4/35 × 4 = 16/140 - Add the two like fractions:
735/140 + 16/140 = 735 + 16/140 = 751/140 - So, 21/4 + 4/35 = 751/140
In mixed form: 551/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4+4/35 21/4+8/35 21/8+4/35 21/4+4/70 63/4+4/35 21/4+12/35 21/12+4/35 21/4+20/35 21/20+4/35 21/4+28/35 21/28+4/35